Curiosity Weekly

Learn about how scientists and animals are benefitting from the “anthropause” during the coronavirus pandemic; why sweat from stress smells worse than regular sweat; and whether men really “see less mess” than women.

We're in the "anthropause," a unique opportunity to study wildlife by Steffie Drucker

• McGreevy, N. (2020, July). Scientists Propose a New Name for Nature in the Time of COVID-19: The “Anthropause.” Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/scientists-have-name-nature-time-covid-19-anthropause-180975224/
• Simon, M. (2020, June 29). The Anthropause: How the Pandemic Gives Scientists a New Way to Study Wildlife. Wired; WIRED. https://www.wired.com/story/the-anthropause-a-new-way-to-study-wildlife/
• Rutz, C., Loretto, M.-C., Bates, A. E., Davidson, S. C., Duarte, C. M., Jetz, W., Johnson, M., Kato, A., Kays, R., Mueller, T., Primack, R. B., Ropert-Coudert, Y., Tucker, M. A., Wikelski, M., & Cagnacci, F. (2020). COVID-19 lockdown allows researchers to quantify the effects of human activity on wildlife. Nature Ecology & Evolution. https://doi.org/10.1038/s41559-020-1237-z
• Goldfarb, B. (2020, July 6). There Really Was Less Roadkill This Spring. The Atlantic; The Atlantic. https://www.theatlantic.com/science/archive/2020/07/pandemic-roadkill/613852/

Why stress sweat smells worse than regular sweat by Andrea Michelson

• Santos-Longhurst, A. (2019, February 26). Stress Sweat Is Real, Here’s How to Manage It. Healthline; Healthline Media. https://www.healthline.com/health/stress-sweat
• Hrustic, A. (2017, April 4). Why Your Sweat Smells So Bad When You’re Stressed. Men’s Health; Men’s Health. https://www.menshealth.com/health/a19544884/why-stress-sweat-smells-so-bad/
• Hu, Y., Converse, C., Lyons, M. C., & Hsu, W. H. (2018). Neural control of sweat secretion: a review. British Journal of Dermatology, 178(6), 1246–1256. https://doi.org/10.1111/bjd.15808
• Fox-Skelly, J. (2015). The smelliest animals in the world. BBC.com. http://www.bbc.com/earth/story/20150610-why-its-good-to-smell-bad

Some Say Men Just Don't See Mess, So Researchers Put It to the Test by author

• Ruppanner, L., Sabino Kornrich, & Thebaud, S. (2019, July 2). Men do see the mess – they just aren’t judged for it the way women are. The Conversation. https://theconversation.com/men-do-see-the-mess-they-just-arent-judged-for-it-the-way-women-are-118728
• Thébaud, S., Kornrich, S., & Ruppanner, L. (2019). Good Housekeeping, Great Expectations: Gender and Housework Norms. Sociological Methods & Research, 004912411985239. https://doi.org/10.1177/0049124119852395

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/why-stress-sweat-smells-worse-studying-wildlife-during-the-pandemic-and-do-men-just-not-see-messes

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Learn about how humans literally use their noses to navigate; why the blue blood of horseshoe crabs is essential for developing drugs like a COVID-19 vaccine; and the truth behind 5 myths about summer dangers.

Humans use their noses to navigate, and both nostrils are important by Grant Currin

• Humans navigate with stereo olfaction. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-06/caos-hnw062420.php
• Wu, Y., Chen, K., Ye, Y., Zhang, T., & Zhou, W. (2020). Humans navigate with stereo olfaction. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2004642117
• Video used in the experiment: http://movie-usa.glencoesoftware.com/video/10.1073/pnas.2004642117/video-1

Why the blue blood of horseshoe crabs is essential for drug development by Cameron Duke

• Fox, A. (2020, June 8). The Race for a Coronavirus Vaccine Runs on Horseshoe Crab Blood. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/race-coronavirus-vaccine-runs-horseshoe-crab-blood-180975048/
• Krisfalusi-Gannon, J., Ali, W., Dellinger, K., Robertson, L., Brady, T. E., Goddard, M. K. M., Tinker-Kulberg, R., Kepley, C. L., & Dellinger, A. L. (2018). The Role of Horseshoe Crabs in the Biomedical Industry and Recent Trends Impacting Species Sustainability. Frontiers in Marine Science, 5. https://doi.org/10.3389/fmars.2018.00185
• Frank, J., & Tang, A. (2018, September 12). Why horseshoe crab blood is so expensive - Business Insider. Business Insider; Business Insider. https://www.businessinsider.com/why-horseshoe-crab-blood-expensive-2018-8
• Zhang, S. (2018, May 9). The Last Days of the Blue-Blood Harvest. The Atlantic. https://www.theatlantic.com/science/archive/2018/05/blood-in-the-water/559229/

5 Myths About Summer Dangers by Ashley Hamer

• The Claim: Mayonnaise Can Increase Risk of Food Poisoning. (2008, June 30). The New York Times. https://www.nytimes.com/2008/07/01/health/01real.html?_r=0
• Sting, B. (2020). 3 Steps to Take Immediately After a Bee Sting - Merck Manuals Consumer Version. Merck Manuals Consumer Version. https://www.merckmanuals.com/home/news/editorial/2018/05/15/14/05/bee-stings
• 10 Ways to Lower the Cancer Risk of Grilling. (2019, June 27). The New York Times. https://www.nytimes.com/2019/06/27/well/eat/10-ways-to-lower-the-cancer-risk-of-grilling.html
• Confused by SPF? Take a Number. (2009, May 13). The New York Times. https://www.nytimes.com/2009/05/14/fashion/14SKIN.html?pagewanted=all
• Rodriguez, S. D., Chung, H.-N., Gonzales, K. K., Vulcan, J., Li, Y., Ahumada, J. A., Romero, H. M., De La Torre, M., Shu, F., & Hansen, I. A. (2017). Efficacy of Some Wearable Devices Compared with Spray-On Insect Repellents for the Yellow Fever Mosquito, Aedes aegypti (L.) (Diptera: Culicidae). Journal of Insect Science, 17(1). https://doi.org/10.1093/jisesa/iew117

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/you-navigate-with-your-nose-busting-5-summer-myths-and-using-horseshoe-crabs-blue-blood-to-develop-new-medicine

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Learn how researchers test drugs for deadly diseases like COVID-19 (without exposing participants); how Fannie Farmer transformed cooking from folk art into science; and how the Shepard scale audio illusion makes it sound like a tone is rising forever.

Safety in drug trials by Ashley Hamer (Listener question from Habib)

• Q/A: How clinical trials test vaccines - News Story | VCU Health. (2020). Vcuhealth.org. https://www.vcuhealth.org/news-center/news-story?news=1654
• Office of the Commissioner. (2019). Step 3: Clinical Research. U.S. Food and Drug Administration. https://www.fda.gov/patients/drug-development-process/step-3-clinical-research
• Researchers Debate Infecting People on Purpose to Test Coronavirus Vaccines. (2020, July 1). The New York Times. https://www.nytimes.com/2020/07/01/health/coronavirus-vaccine-trials.html
• Cohen, J. (2020, March 31). Speed coronavirus vaccine testing by deliberately infecting volunteers? Not so fast, some scientists warn. Science | AAAS. https://www.sciencemag.org/news/2020/03/speed-coronavirus-vaccine-testing-deliberately-infecting-volunteers-not-so-fast-some
• Coronavirus Vaccine Tracker. (2020, June 10). The New York Times. https://www.nytimes.com/interactive/2020/science/coronavirus-vaccine-tracker.html

How Fannie Farmer transformed cooking from folk art into science by Cameron Duke

• Lewis, J. J. (2017). About Fannie Farmer, Cookbook Author and Domestic Scientist. ThoughtCo. https://www.thoughtco.com/fannie-farmer-biography-3528712
• Davis, S. (1984, November 25). Through the Years With The Cookbook of the Ages. Washington Post. https://www.washingtonpost.com/archive/lifestyle/food/1984/11/25/through-the-years-with-the-cookbook-of-the-ages/b3fc92c1-88f6-4fc1-be36-7a1b14450a58/
• History.com Editors. (2009, November 24). Fannie Farmer opens cooking school. HISTORY. https://www.history.com/this-day-in-history/fannie-farmer-opens-cooking-school
• Fannie Farmer Biography. (2020). Notablebiographies.com. https://www.notablebiographies.com/Du-Fi/Farmer-Fannie.html
• Engel, K. (2015, April 19). Fannie Farmer, the mother of level measurements | Amazing Women In History. https://amazingwomeninhistory.com/fannie-farmer/
• Fannie Merritt Farmer | American editor | Britannica. (2019). In Encyclopædia Britannica. https://www.britannica.com/biography/Fannie-Merritt-Farmer
• Moskin, J. (2018, June 13). Overlooked No More: Fannie Farmer, Modern Cookery’s Pioneer. The New York Times. https://www.nytimes.com/2018/06/13/obituaries/fannie-farmer-overlooked.html

The Shepard scale is an audio illusion that sounds like a tone is rising forever by Ashley Hamer

• Roger N. Shepard | American psychologist and cognitive scientist | Britannica. (2020). In Encyclopædia Britannica. https://www.britannica.com/biography/Roger-N-Shepard
• Shepard, R. N. (1964). Circularity in Judgments of Relative Pitch. The Journal of the Acoustical Society of America, 36(12), 2346–2353. https://doi.org/10.1121/1.1919362
• What is the Shepard’s Tone? – Do you hear what I hear? (2016, July 6). Vassar.edu. https://pages.vassar.edu/seeingvoices/2016/07/06/what-is-the-shepards-tone/
• BBC One - Bang Goes the Theory, Series 4, Episode 6, The Shepard Tone audio illusion. (2011, April 17). BBC. https://www.bbc.co.uk/programmes/p00gfdg1
• Vox. (2017). The sound illusion that makes Dunkirk so intense [YouTube Video]. In YouTube. https://www.youtube.com/watch?v=LVWTQcZbLgY

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/fannie-farmer-created-the-modern-cooking-recipe-the-shepard-scale-audio-illusion-and-how-scientists-test-the-covid-19-vaccine

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Learn about why you might feel stronger after just one workout; why the Earth’s core doesn’t melt, even though it’s so hot; and prosopagnosia, the surprising neurological condition of face blindness.

Feeling stronger after one workout? It's not your muscles, it's your nervous system by Grant Currin

• Essentials of Strength Training and Conditioning. (2016). United Kingdom: Human Kinetics. https://www.google.com/books/edition/Essentials_of_Strength_Training_and_Cond/bfuXCgAAQBAJ?hl=en&gbpv=1&bsq=%3E16%20workouts
• How We Get Stronger. (2020, July 1). The New York Times. https://www.nytimes.com/2020/07/01/well/move/how-we-get-stronger.html
• Glover, I. S., & Baker, S. N. (2020). Cortical, corticospinal and reticulospinal contributions to strength training. The Journal of Neuroscience, JN-RM-1923-19. https://doi.org/10.1523/jneurosci.1923-19.2020
• Why strength depends on more than muscle: Neural adaptations could account for differing strength gains despite similar muscle mass. (2017). ScienceDaily. https://www.sciencedaily.com/releases/2017/07/170710091652.htm
• Jenkins, N. D. M., Miramonti, A. A., Hill, E. C., Smith, C. M., Cochrane-Snyman, K. C., Housh, T. J., & Cramer, J. T. (2017). Greater Neural Adaptations following High- vs. Low-Load Resistance Training. Frontiers in Physiology, 8. https://doi.org/10.3389/fphys.2017.00331

If The Earth's Core Is So Hot, Why Doesn't It Melt? by Ashley Hamer

• New theory explains how Earth’s inner core remains solid despite extreme heat | KTH. (2017). KTH. https://www.kth.se/en/aktuellt/nyheter/new-theory-explains-how-earth-s-inner-core-remains-solid-despite-extreme-heat-1.705398
• Hexagonal Close Packing. (2020). Wolfram.com; Wolfram Research, Inc. https://mathworld.wolfram.com/HexagonalClosePacking.html
• Belonoshko, A. B., Lukinov, T., Fu, J., Zhao, J., Davis, S., & Simak, S. I. (2017). Stabilization of body-centred cubic iron under inner-core conditions. Nature Geoscience, 10(4), 312–316. https://doi.org/10.1038/ngeo2892

What do you do when you can’t recognize faces? by Cameron Duke

• Bate, S. (2019, December 26). New Promise for Those Who Suffer from Face Blindness. Scientific American. https://www.scientificamerican.com/article/new-promise-for-those-who-suffer-from-face-blindness/
• Damasio, A. R., Damasio, H., & Van Hoesen, G. W. (1982). Prosopagnosia: Anatomic basis and behavioral mechanisms. Neurology, 32(4), 331–331. https://doi.org/10.1212/wnl.32.4.331
• Dingfelder, S. (2019, August 21). My life with face blindness: I spent decades unable to recognize people. Then I learned why. The Washington Post. https://www.washingtonpost.com/news/magazine/wp/2019/08/21/feature/my-life-with-face-blindness/
• Kennerknecht, I., Grueter, T., Welling, B., Wentzek, S., Horst, J., Edwards, S., & Grueter, M. (2006). First report of prevalence of non-syndromic hereditary prosopagnosia (HPA). American Journal of Medical Genetics Part A, 140A(15), 1617–1622. https://doi.org/10.1002/ajmg.a.31343
• Psychology Experiments: Cambridge Face Memory Test. (2020). BBK.ac.uk. http://www.bbk.ac.uk/psychology/psychologyexperiments/experiments/facememorytest/startup.php?r=8&p=0&d=1&dn=0&g=0&m=68f7d848edeaebd6cc29371b806b3017
• Sacks, O. (2010, August 23). Face-Blind. The New Yorker; The New Yorker. https://www.newyorker.com/magazine/2010/08/30/face-blind
• Samuelson, K. (2017, July 14). Why You Can’t Recognize Other People’s Faces. Time. https://time.com/4838661/prosopagnosia-face-blindness/
• Understanding Prosopagnosia - Faceblind. (2015). Faceblind.org. https://www.faceblind.org/research/

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/why-some-people-cant-recognize-faces-weight-lifting-strengthens-your-nerves-too-and-why-earths-core-doesnt-melt

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Learn about why children develop racial prejudice unless their parents teach them otherwise; why archaeologists studying Stonehenge may have found the largest prehistoric structure in all of Europe; and why cats have vertical pupils.

Children will develop racial prejudice unless their parents teach them otherwise by Kelsey Donk

• What white parents get wrong about raising antiracist kids — and how to get it right. (2020, June 25). The Washington Post. https://www.washingtonpost.com/lifestyle/2020/06/25/what-white-parents-get-wrong-about-raising-antiracist-kids-how-get-it-right/
• Kelly, D. J., Quinn, P. C., Slater, A. M., Lee, K., Gibson, A., Smith, M., Ge, L., & Pascalis, O. (2005). Three-month-olds, but not newborns, prefer own-race faces. Developmental Science, 8(6), F31–F36. https://doi.org/10.1111/j.1467-7687.2005.0434a.x
• Katz, P. A. (2003). Racists or Tolerant Multiculturalists? How Do They Begin? American Psychologist, 58(11), 897–909. https://doi.org/10.1037/0003-066X.58.11.897b

Archaeologists discover a huge ring of deep pits near Stonehenge by Grant Currin

• University of Bradford. (2020, June 22). “Astonishing discovery” near Stonehenge led by University of Bradford archaeologists offers new insight into Neolithic ancestors. https://www.bradford.ac.uk/news/archive/2020/astonishing-discovery-near-stonehenge-led-by-university-of-bradford-archaeologists-offers-new-insight-into-neolithic-ancestors.php
• Machemer, T. (2020, June 24). Archaeologists Discover Enormous Ring of Ancient Pits Near Stonehenge. Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/ring-neolithic-pits-discovered-stonehenge-landscape-180975164/
• Neolithic Site Near Stonehenge Yields an ‘Astonishing Discovery.’ (2020, June 22). The New York Times. https://www.nytimes.com/2020/06/22/world/europe/stonehenge-trenches-durrington-walls.html
• Immense Neolithic Ring Discovered Near Stonehenge. (2020, June 23). NPR.org. https://www.npr.org/2020/06/23/881970286/immense-neolithic-ring-discovered-near-stonehenge

Why does my cat have vertical pupils? by Cameron Duke

• Pappas, S. (2015, August 7). Why Cats Have Vertical Pupils. Livescience.Com; Live Science. https://www.livescience.com/51787-why-cats-have-vertical-pupils.html
• Banks, M. S., Sprague, W. W., Schmoll, J., Parnell, J. A. Q., & Love, G. D. (2015). Why do animal eyes have pupils of different shapes? Science Advances, 1(7), e1500391. https://doi.org/10.1126/sciadv.1500391
• Ghose, T. (2013, October 16). Feline Vision: How Cats See the World. Livescience.com; Live Science. https://www.livescience.com/40459-what-do-cats-see.html
• Ghose, T. (2013, October 16). Images: See the World from a Cat’s Eyes. Livescience.Com; Live Science. https://www.livescience.com/40460-images-cat-versus-human-vision.html

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/teaching-kids-to-not-be-prejudiced-why-cats-have-vertical-pupils-and-a-massive-stonehenge-discovery

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Learn about why lockdown has made us need nature more than ever; why plants are green; and how microbes and parasites might actually make us healthier.

Why lockdown has made us need exposure to nature more than ever by Kelsey Donk

• ‘Nature Deficit Disorder’ Is Really a Thing. (2020, June 23). The New York Times. https://www.nytimes.com/2020/06/23/parenting/nature-health-benefits-coronavirus-outdoors.html
• Robbins, J. (2020). Ecopsychology: How Immersion in Nature Benefits Your Health. Yale E360. https://e360.yale.edu/features/ecopsychology-how-immersion-in-nature-benefits-your-health
• Louv, R. (2019). What is Nature-Deficit Disorder? - Richard Louv. Richardlouv.com. https://doi.org/http://richardlouv.com/blog/what-is-nature-deficit-disorder
• Pieters, H. C., Ayala, L., Schneider, A., Wicks, N., Levine-Dickman, A., & Clinton, S. (2019). Gardening on a psychiatric inpatient unit: Cultivating recovery. Archives of Psychiatric Nursing, 33(1), 57–64. https://doi.org/10.1016/j.apnu.2018.10.001
• Weinstein, N., Balmford, A., DeHaan, C. R., Gladwell, V., Bradbury, R. B., & Amano, T. (2015). Seeing Community for the Trees: The Links among Contact with Natural Environments, Community Cohesion, and Crime. BioScience, 65(12), 1141–1153. https://doi.org/10.1093/biosci/biv151
• Louv, R. (2020, March 16). 10 Nature Activities to Help Get Your Family Through the Coronavirus Pandemic. Children & Nature Network. https://www.childrenandnature.org/2020/03/16/10-nature-activities-to-help-get-your-family-through-the-pandemic/

This is why plants are green by Cameron Duke

• Cowern, D. (2017). Why aren’t plants black? [YouTube Video]. In Physicsgirl. https://www.youtube.com/watch?v=3BRP4wcSCM0
• MinuteEarth. (2013). Why Are Leaves Green? Part 1 [YouTube Video]. In YouTube. https://www.youtube.com/watch?v=aAQYpra4aUs
• UCSB Science Line. (2004). Scienceline.Ucsb.edu. http://scienceline.ucsb.edu/getkey.php?key=500
• What Color Do YOU Think the Sun Is? (2020). Stanford.edu. http://solar-center.stanford.edu/SID/activities/GreenSun.html
• Cooper, K. (2018, October 16). Was life on the early Earth purple? Phys.org. https://phys.org/news/2018-10-life-early-earth-purple.html
• Why are plants green? (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-06/uoc--wap061820.php

How microbes and parasites might actually make us healthier by Cameron Duke

• The Editors. (2010). Reconstituting the depleted biome to prevent immune disorders | The Evolution and Medicine Review. Evmedreview.com. https://evmedreview.com/reconstituting-the-depleted-biome-to-prevent-immune-disorders/
• EVOLUTIONARY THINKING IN MEDICINE : from research to policy and practice. (2018). Springer.
• Parker, W. (2014). The “hygiene hypothesis” for allergic disease is a misnomer. BMJ, 349(aug26 2), g5267–g5267. https://doi.org/10.1136/bmj.g5267
• Parker, W. (2016, January 13). If being too clean makes us sick, why isn’t getting dirty the solution? The Conversation. https://theconversation.com/if-being-too-clean-makes-us-sick-why-isnt-getting-dirty-the-solution-50572
• Tanasescu, R., Tench, C. R., Constantinescu, C. S., Telford, G., Singh, S., Frakich, N., Onion, D., Auer, D. P., Gran, B., Evangelou, N., Falah, Y., Ranshaw, C., Cantacessi, C., Jenkins, T. P., & Pritchard, D. I. (2020). Hookworm Treatment for Relapsing Multiple Sclerosis. JAMA Neurology. https://doi.org/10.1001/jamaneurol.2020.1118

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/the-need-for-nature-during-lockdown-why-plants-are-green-and-how-microbes-and-parasites-might-make-us-healthier

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Learn about whether adult neurogenesis can help humans grow new brain cells; the super cool way dolphins learn how to use tools; and how keeping good “zeitgeber hygiene” by sticking to a regular routine can keep you happy and healthy.

Can you grow new brain cells as an adult? by Grant Currin

• Yong, E. (2018, March 7). Study: Does Adult Neurogenesis Exist in Humans? The Atlantic; The Atlantic. https://www.theatlantic.com/science/archive/2018/03/do-adult-brains-make-new-neurons-a-contentious-new-study-says-no/555026/
• Sorrells, S. F., Paredes, M. F., Cebrian-Silla, A., Sandoval, K., Qi, D., Kelley, K. W., James, D., Mayer, S., Chang, J., Auguste, K. I., Chang, E. F., Gutierrez, A. J., Kriegstein, A. R., Mathern, G. W., Oldham, M. C., Huang, E. J., Garcia-Verdugo, J. M., Yang, Z., & Alvarez-Buylla, A. (2018). Human hippocampal neurogenesis drops sharply in children to undetectable levels in adults. Nature, 555(7696), 377–381. https://doi.org/10.1038/nature25975
• Spalding, K. L., Bergmann, O., Alkass, K., Bernard, S., Salehpour, M., Huttner, H. B., Boström, E., Westerlund, I., Vial, C., Buchholz, B. A., Possnert, G., Mash, D. C., Druid, H., & Frisén, J. (2013). Dynamics of Hippocampal Neurogenesis in Adult Humans. Cell, 153(6), 1219–1227. https://doi.org/10.1016/j.cell.2013.05.002
• Mo Costandi. (2012, February 23). Does your brain produce new cells? The Guardian; The Guardian. https://www.theguardian.com/science/neurophilosophy/2012/feb/23/brain-new-cells-adult-neurogenesis
• Dickinson, K. (2020, June 26). Adult-made neurons mature longer, have unique functions. Big Think; Big Think. https://bigthink.com/mind-brain/adult-neurons-unique
• Cole, J. D., Espinueva, D., Seib, D. R., Ash, A. M., Cooke, M. B., Cahill, S. P., O’Leary, T., Kwan, S. S., & Snyder, J. S. (2020). Adult-born hippocampal neurons undergo extended development and are morphologically distinct from neonatally-born neurons Prolonged development of adult-born neurons. The Journal of Neuroscience, JN-RM-1665-19. https://doi.org/10.1523/jneurosci.1665-19.2020
• Shohayeb, B., Diab, M., Ahmed, M., & Ng, D. C. H. (2018). Factors that influence adult neurogenesis as potential therapy. Translational Neurodegeneration, 7(1). https://doi.org/10.1186/s40035-018-0109-9

Dolphins use tools — and they learn how from other dolphins by Cameron Duke

• Starr, M. (2020). Dolphins Are So Smart They’re Learning Tool-Use From Their Friends. ScienceAlert. https://www.sciencealert.com/clever-dolphins-can-pick-up-fishing-tricks-from-their-friends
• Dolphins learn unusual hunting behavior from their friends. (2020, June 25). Dolphins learn unusual hunting behavior from their friends. Science | AAAS. https://www.sciencemag.org/news/2020/06/dolphins-learn-unusual-hunting-behavior-their-friends
• Shelling out for dinner: Dolphins learn foraging skills from peers. (2020, June 25). Phys.org. https://phys.org/news/2020-06-shelling-dinner-dolphins-foraging-skills.html
• Wild, S., Hoppitt, W. J. E., Allen, S. J., & Krützen, M. (2020). Integrating Genetic, Environmental, and Social Networks to Reveal Transmission Pathways of a Dolphin Foraging Innovation. Current Biology. https://doi.org/10.1016/j.cub.2020.05.069

To stay happy and healthy, maintain your routines -- aka "zeitgeber hygiene" by Kelsey Donk

• Migala, J. (2020, June 22). Quarantine Health Tip: Form a Routine | Elemental. Medium; Elemental. https://elemental.medium.com/a-rigid-routine-is-key-to-a-healthy-life-bcb0ba3c912a
• Quante, M., Mariani, S., Weng, J., Marinac, C. R., Kaplan, E. R., Rueschman, M., Mitchell, J. A., James, P., Hipp, J. A., Cespedes Feliciano, E. M., Wang, R., & Redline, S. (2018). Zeitgebers and their association with rest-activity patterns. Chronobiology International, 36(2), 203–213. https://doi.org/10.1080/07420528.2018.1527347
• SARS-CoV-2/COVID-19 and physical distancing: risk for circadian rhythm dysregulation, advice to alleviate it, and natural experiment research opportunities. (2020). Chronobiology International. https://www.tandfonline.com/doi/abs/10.1080/07420528.2020.1772811
• Coronavirus Disruption Project finds differences in behavior and views between men and women during the pandemic - Center for the Digital Future. (2020, May 21). Center for the Digital Future. https://www.digitalcenter.org/coronavirus-men-and-women/

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/stay-happy-and-healthy-by-maintaining-your-routines-how-dolphins-learn-to-use-tools-and-can-adults-grow-new-brain-cells

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Learn about how spies can use light bulbs to eavesdrop on conversations; why atoms remind us of our solar system; and how you predictably lower your standards when waiting for the best option.

Please vote for Curiosity Daily in the 2020 Podcast Awards! Just register, select Curiosity Daily in the categories of People’s Choice, Education, and Science & Medicine, and click "submit" (voting in other categories is completely optional). Feel free to consider becoming a judge as well! https://www.podcastawards.com/app/signup/

Spies can eavesdrop on conversations by measuring changes in light output from a lightbulb by Grant Currin

• Greenberg, A. (2020, June 12). Spies Can Eavesdrop by Watching a Light Bulb’s Vibrations. Wired; WIRED. https://www.wired.com/story/lamphone-light-bulb-vibration-spying/
• Lamphone. (2020). Ben Nassi. https://www.nassiben.com/lamphone

Why do atoms and the solar system look alike? by Ashley Hamer (Listener question from Mohana)

• Dutch, S. (2005, updated 2020). What Do Atoms Really “Look Like?” Stevedutch.net. https://stevedutch.net/petrology/whatatomslooklike.htm
• PBS Space Time. (2016). Why is the Earth Round and the Milky Way Flat? | Space Time | PBS Digital Studios [YouTube Video]. In YouTube. https://www.youtube.com/watch?v=Aj6Kc1mvsdo&t=643s

When waiting for the best option, you lower your standards in a predictable way by Kelsey Donk

• Decide now or wait for something better? (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-06/uoz-dno061820.php
• Baumann, C., Singmann, H., Gershman, S. J., & Helversen, B. von. (2020). A linear threshold model for optimal stopping behavior. Proceedings of the National Academy of Sciences, 117(23), 12750–12755. https://doi.org/10.1073/pnas.2002312117
• Secretary Problem (A Optimal Stopping Problem) - GeeksforGeeks. (2017, October 20). GeeksforGeeks. https://www.geeksforgeeks.org/secretary-problem-optimal-stopping-problem/

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode trasncript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/waiting-for-the-best-option-lowers-your-standards-spies-can-eavesdrop-using-light-bulbs-and-why-atoms-dont-look-like-the-solar-system

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Learn about whether chocolate actually causes acne breakouts; how to get around Miller’s law, which describes the limits of your short-term memory; and why one of the first gallbladder surgeries happened on a kitchen table.

Does chocolate actually cause breakouts? by Andrea Michelson

• Kitchens, S. (2012, June 5). Does Chocolate Cause Acne? A Top Dermatologist Gives Us The Real Answer. HuffPost; HuffPost. https://www.huffpost.com/entry/does-chocolate-cause-acne_n_1566076
• Palmer, A. (2020). Should You Avoid Eating Chocolate If It Causes Acne? Verywell Health. https://www.verywellhealth.com/does-chocolate-cause-acne-15519
• Mahmood SN; Bowe WP. (2014). Diet and Acne Update: Carbohydrates Emerge as the Main Culprit. Journal of Drugs in Dermatology : JDD, 13(4). https://pubmed.ncbi.nlm.nih.gov/24719062/
• Coates, H. (2020, February 26). The Confusing Truth About Dairy – And How It Really Affects Your Skin. British Vogue. https://www.vogue.co.uk/beauty/article/is-dairy-bad-for-your-skin

Your Short-Term Memory Can Only Hold 7 Items (But You Can Use This Trick) by Ashley Hamer

• Classics in the History of Psychology -- Miller (1956). (2020). Yorku.ca. http://psychclassics.yorku.ca/Miller/
• The Link & Story Methods: Remembering a Simple List. (2017). Mindtools.com. https://www.mindtools.com/pages/article/newTIM_01.htm

One of the first gallbladder surgeries happened on a kitchen table by Cameron Duke

• About Halsted. (2011). Halstedthedocumentary.Org. http://halstedthedocumentary.org/halsted.php
• Bryson, B. (2020). The body : a guide for occupants. Doubleday.
• Imber, M.D., G. (2011). Genius On The Edge: The Bizarre Double Life Of Dr. William Stewart Halsted. Kaplan.
• Tholey, D. (2020). Jaundice in Adults. Merck Manuals Consumer Version; Merck Manuals. https://www.merckmanuals.com/home/liver-and-gallbladder-disorders/manifestations-of-liver-disease/jaundice-in-adults
• Rankin, J. S. (2006). William Stewart Halsted. Annals of Surgery, 243(3), 418–425. https://doi.org/10.1097/01.sla.0000201546.94163.00
• William Stewart Halsted. (2019). NNDB.com. https://www.nndb.com/people/121/000161635/

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/hack-your-short-term-memory-the-wild-origins-of-gallbladder-surgery-and-does-chocolate-cause-acne-breakouts

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Learn about the first physical evidence that shows how our brains store short-term memory; EndeavorRx, the first ever prescription video game; and why hummingbirds can see colors that you can’t.

Scientists may have found how short term memory is physically stored by Andrea Michelson

• Possible physical trace of short-term memory found. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-06/iosa-ppt052920.php
• Vandael, D., Borges-Merjane, C., Zhang, X., & Jonas, P. (2020). Short-Term Plasticity at Hippocampal Mossy Fiber Synapses Is Induced by Natural Activity Patterns and Associated with Vesicle Pool Engram Formation. Neuron. https://doi.org/10.1016/j.neuron.2020.05.013
• The synapse (article) | Human biology | Khan Academy. (2020). Khan Academy. https://www.khanacademy.org/science/biology/human-biology/neuron-nervous-system/a/the-synapse

The first prescription video game ever was just approved by the FDA by Grant Currin

• Hollister, S. (2020, June 15). The FDA just approved the first prescription video game — it’s for kids with ADHD. The Verge; The Verge. https://www.theverge.com/2020/6/15/21292267/fda-adhd-video-game-prescription-endeavor-rx-akl-t01-project-evo
• Office of the Commissioner. (2020). FDA Permits Marketing of First Game-Based Digital Therapeutic to Improve Attention Function in Children with ADHD. U.S. Food and Drug Administration. https://www.fda.gov/news-events/press-announcements/fda-permits-marketing-first-game-based-digital-therapeutic-improve-attention-function-children-adhd
• Kollins, S. H., DeLoss, D. J., Cañadas, E., Lutz, J., Findling, R. L., Keefe, R. S. E., Epstein, J. N., Cutler, A. J., & Faraone, S. V. (2020). A novel digital intervention for actively reducing severity of paediatric ADHD (STARS-ADHD): a randomised controlled trial. The Lancet Digital Health, 2(4), e168–e178. https://doi.org/10.1016/s2589-7500(20)30017-0
• Klein, H. (2020, June 16). FDA Approves First-Ever Prescription Video Game. Slate Magazine; Slate. https://slate.com/technology/2020/06/endeavorrx-fda-prescription-video-game-adhd.html
• Akili Announces FDA Clearance of EndeavorRxTM for Children with ADHD, the First Prescription Treatment Delivered Through a Video Game. (2020, June 15). Businesswire.com. https://www.businesswire.com/news/home/20200615005739/en/Akili-Announces-FDA-Clearance-EndeavorRxTM-Children-ADHD

Hummingbirds can see even more colors than we thought by Grant Currin

• Spectacular bird’s-eye view? Hummingbirds see diverse colors humans can only imagine. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-06/pu-sbv061120.php
• Stoddard, M. C., Eyster, H. N., Hogan, B. G., Morris, D. H., Soucy, E. R., & Inouye, D. W. (2020). Wild hummingbirds discriminate nonspectral colors. Proceedings of the National Academy of Sciences, 117(26), 15112–15122. https://doi.org/10.1073/pnas.1919377117

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/the-first-prescription-video-game-solving-the-mystery-of-short-term-memory-and-hummingbirds-extraordinary-vision

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