Curiosity Weekly

Learn about the RLR gene editing tool; Victorian-era emoji; and why “night shift” screen settings don’t help you sleep.

RLR is a new gene editing tool that's safer and more useful than CRISPR by Cameron Duke

• Move over CRISPR, the retrons are coming. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-04/wifb-moc042921.php
• Schubert, M. G., Goodman, D. B., Wannier, T. M., Kaur, D., Farzadfard, F., Lu, T. K., Shipman, S. L., & Church, G. M. (2021). High-throughput functional variant screens via in vivo production of single-stranded DNA. Proceedings of the National Academy of Sciences, 118(18), e2018181118. https://doi.org/10.1073/pnas.2018181118
• Swingle, B., Markel, E., & Cartinhour, S. (2010). Oligonucleotide recombination: A hidden treasure. Bioengineered Bugs, 1(4), 265–268. https://doi.org/10.4161/bbug.1.4.12098
• Irving, M. (2021, May 4). Harvard gene-editing tool “sneaks” DNA into cells without making cuts. New Atlas. https://newatlas.com/biology/retron-library-recombineering-gene-editing-crispr/
• Are Retrons the Next CRISPR? | Cell And Molecular Biology. (2021). Labroots. https://www.labroots.com/trending/cell-and-molecular-biology/20347/retrons-crispr

Flowers Were Emoji For Victorians by Anna Todd

• Romie Stott. (2016, August 15). How Flower-Obsessed Victorians Encoded Messages in Bouquets. Atlas Obscura; Atlas Obscura. https://www.atlasobscura.com/articles/how-flowerobsessed-victorians-encoded-messages-in-bouquets
• The meaning of flowers, Floriography, language of flowers, advice hints and tips from All Florists.co.uk. Allflorists.co.uk. http://www.allflorists.co.uk/advice_flowerMeanings.asp

"Night shift" screen settings don't really help you sleep by Kelsey Donk

• Is night shift really helping you sleep better? (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-04/byu-ins042621.php
• Duraccio, K. M., Zaugg, K. K., Blackburn, R. C., & Jensen, C. D. (2021). Does iPhone night shift mitigate negative effects of smartphone use on sleep outcomes in emerging adults? Sleep Health. https://doi.org/10.1016/j.sleh.2021.03.005

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/move-over-crispr-new-gene-editing-tech-is-here

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Learn how resolving arguments can erase nearly all bad feelings, and why almost all calico cats are female. Plus: trivia!

Resolving an argument can almost erase the emotional stress it caused by Kelsey Donk

• Resolving Arguments Can Prevent Bad Feelings From Lingering — And We Get Better At It As We Age. (2021, April 22). Research Digest. https://digest.bps.org.uk/2021/04/22/resolving-arguments-can-prevent-bad-feelings-from-lingering-and-we-get-better-at-it-as-we-age/
• Witzel, D. D., & Stawski, R. S. (2021). Resolution Status and Age as Moderators for Interpersonal Everyday Stress and Stressor-Related Affect. The Journals of Gerontology: Series B. https://doi.org/10.1093/geronb/gbab006

Why Calico Cats Are Almost Always Female by Ashley Hamer

• Stone, S. (2015, March 16). Why are Calico Cats Almost Always Female? Today I Found Out. http://www.todayifoundout.com/index.php/2015/03/calico-cats-almost-always-female
• Fitzsimmons, P. (2017, November 7). Are All Orange Cats Male and All Calico Cats Female? BeChewy; Chewy. https://be.chewy.com/behavior-pet-facts-are-all-orange-cats-male-all-calico-cats-female/

Episodes referenced in Curiosity Challenge Trivia game:

• Cuttlefish: https://www.curiositydaily.com/your-roommate-really-doesnt-know-how-youre-feeling/
• Bland space diet: https://www.curiositydaily.com/introverts-fared-better-than-extroverts-during-the-pandemic/
• Prison device: https://www.curiositydaily.com/from-music-to-bacon-biology-is-everywhere-w-biologist-melanie-peffer/

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/a-good-reason-to-resolve-your-arguments

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Learn why older classmates are more popular; how some invasive species help their ecosystems; and keyboard cleaning tips.

Don't be surprised if the oldest kids in your class were also more popular by Kelsey Donk

• PsychNewsDaily Staff. (2021, May 5). High school popularity: study shows oldest kids in the class also the most popular. PsychNewsDaily. https://www.psychnewsdaily.com/high-school-popularity-study-shows-oldest-kids-in-the-class-also-the-most-popular/
• van Aalst, D. A. E., & van Tubergen, F. (2021). More popular because you’re older? Relative age effect on popularity among adolescents in class. PLOS ONE, 16(5), e0249336. https://doi.org/10.1371/journal.pone.0249336

Invasive species aren't always harmful — some help their ecosystems thrive by Cameron Duke

• Ahmed, I. (2021, April 29). How donkeys digging wells help life thrive in the desert. Phys.org; Phys.org. https://phys.org/news/2021-04-donkeys-wells-life.html
• Griffiths, J., & Villablanca, F. (n.d.). Managing monarch butterfly overwintering groves: making room among the eucalyptus. 101(1). Retrieved May 9, 2021, from https://www.monarchjointventure.org/images/uploads/documents/griffiths_and_villablanca_2015.pdf
• Invasive Species Aren’t Always Unwanted (Published 2016). (2021). The New York Times. https://www.nytimes.com/2016/03/01/science/invasive-species.html
• Lundgren, E. J., Ramp, D., Stromberg, J. C., Wu, J., Nieto, N. C., Sluk, M., Moeller, K. T., & Wallach, A. D. (2021). Equids engineer desert water availability. Science, 372(6541), 491–495. https://doi.org/10.1126/science.abd6775
• SCHLAEPFER, M. A., SAX, D. F., & OLDEN, J. D. (2011a). The Potential Conservation Value of Non-Native Species. Conservation Biology, 25(3), 428–437. https://doi.org/10.1111/j.1523-1739.2010.01646.x

This Is How Often You Should Clean Your Keyboard originally aired May 14, 2018 https://omny.fm/shows/curiosity-daily/types-of-narcissists-don-t-garden-with-coffee-grou

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/the-oldest-kids-in-class-are-also-the-most-popular

Hosted on Acast. See acast.com/privacy for more information.

Learn how human hair can improve solar panels and why people tend to add, not subtract, when trying to improve something.

Scientists are using human hair to make carbon nanodots for displays & solar panels by Grant Currin

• Carbon dots from human hair boost solar cells. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-04/quot-cdf040721.php
• Pham, N. D., Singh, A., Chen, W., Hoang, M. T., Yang, Y., Wang, X., Wolff, A., Wen, X., Jia, B., Sonar, P., & Wang, H. (2021). Self-assembled carbon dot-wrapped perovskites enable light trapping and defect passivation for efficient and stable perovskite solar cells. Journal of Materials Chemistry A, 9(12), 7508–7521. https://doi.org/10.1039/d1ta00036e
• Lim, S. Y., Shen, W., & Gao, Z. (2015). Carbon quantum dots and their applications. Chemical Society Reviews, 44(1), 362–381. https://doi.org/10.1039/c4cs00269e

Additional resources from Leidy Klotz:

• Pick up "Subtract: The Untapped Science of Less" on Amazon: https://amzn.to/3ePsfzf
• Nature study: https://www.nature.com/articles/s41586-021-03380-y
• Website: https://www.leidyklotz.com/
• Twitter: https://twitter.com/Leidyklotz

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/why-we-always-forget-that-less-is-more-w-leidy-klotz

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Learn about how stress during pregnancy can affect a newborn’s sex; skipping stone physics in space; and overspending.

Stress can make a pregnant person twice as likely to have a girl by Grant Currin

• Beres, D. (2021, April 13). Stressed-out mothers are twice as likely to give birth to a girl. Big Think; Big Think. https://bigthink.com/surprising-science/stress-pregnancy
• Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Gonzalez-Perez, R., Davila, M., & Peralta-Ramirez, M. I. (2021). Hair cortisol levels in pregnancy as a possible determinant of fetal sex: a longitudinal study. Journal of Developmental Origins of Health and Disease, 1–6. https://doi.org/10.1017/s2040174420001300

Scientists have shed light on the physics of skipping stones to make landing spacecraft safer by Briana Brownell

• Tang, J., Zhao, K., Chen, H., & Cao, D. (2021). Trajectory and attitude study of a skipping stone. Physics of Fluids, 33(4), 043316. https://doi.org/10.1063/5.0040158
• Stone skipping techniques can improve reentry of space vehicles. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-04/aiop-sst041521.php
• Advanced Aerospace Medicine On-line. (2018, April 11). FAA.gov.
• https://www.faa.gov/about/office_org/headquarters_offices/avs/offices/aam/cami/library/online_libraries/aerospace_medicine/tutorial/media/III.4.1.7_Returning_from_Space.pdf
• Lovell, J., Kluger, J. (1994). Apollo 13. Houghton Mifflin.
• https://books.google.ca/books?id=LDJ43xYxK5YC&pg=PA258&lpg=PA258&dq=Apollo+13+reentry+angle&source=bl&ots=3Cc9mzZNJR&sig=sLWSkkivIHidkiZ_qY3YjyKypaQ&hl=en&sa=X&ei=BemhUuf2NI6OkAfNioCoCg&redir_esc=y#v=onepage&q=Apollo%2013%20reentry%20angle&f=false
• C. Clanet, F. Hersen, and L. Bocquet, “ Secrets of successful stone-skipping,” Nature 427, 29–29 (2004). https://doi.org/10.1038/427029a

To Avoid Overspending, Think of Money as Hours of Your Life originally aired September 26, 2018 https://omny.fm/shows/curiosity-daily/gardening-with-martian-soil-how-to-stop-overspendi

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/stress-during-pregnancy-might-affect-the-babys-sex

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Learn about interacting with robots that talk to themselves; “mad honey,” a rare, dangerous hallucinogen; and “alief.”

Robots that talk to themselves might be easier to interact with by Grant Currin

• Pepper the humanoid and programmable robot | SoftBank Robotics. (2021). Softbankrobotics.com. https://www.softbankrobotics.com/emea/en/pepper
• Pipitone, A., & Chella, A. (2021). What robots want? Hearing the inner voice of a robot. IScience, 102371. https://doi.org/10.1016/j.isci.2021.102371
• Pepper the robot talks to itself to improve its interactions with people. (2021). ScienceDaily. https://www.sciencedaily.com/releases/2021/04/210421124654.htm

"Mad honey" is a weird, rare, dangerous hallucinogen used as medicine around the Black Sea by Steffie Drucker

• Johnson, S. (2021, April 23). “Mad honey”: The rare hallucinogen from the mountains of Nepal. Big Think; Big Think. https://bigthink.com/culture-religion/mad-honey
• The Hallucinogenic Honey of Nepal and Turkey. (2017, November 12). Atlas Obscura. https://www.atlasobscura.com/foods/mad-honey-red-hallucinogen
• Hess, P. (2017, July 17). Mad Honey: What to know before eating hallucinogenic honey from Nepal. Inverse; Inverse. https://www.inverse.com/mind-body/33974-mad-honey-nepal-rhododendron-grayanotoxin-hallucinogenic
• Jansen, S. A., Kleerekooper, I., Hofman, Z. L. M., Kappen, I. F. P. M., Stary-Weinzinger, A., & van der Heyden, M. A. G. (2012). Grayanotoxin Poisoning: “Mad Honey Disease” and Beyond. Cardiovascular Toxicology, 12(3), 208–215. https://doi.org/10.1007/s12012-012-9162-2

Alief Is When You Act In Opposition To Your True Beliefs by Ashley Hamer

• Gendler, T. S. (2008). Alief in action (and reaction). Mind & Language, 23(5), 552-585. http://www.errol-lord.com/uploads/1/8/6/6/18669048/gendler-aliefinaction.pdf
• Bloom, P. (2010, May 30). The Pleasures of Imagination. The Chronicle of Higher Education; The Chronicle of Higher Education. https://www.chronicle.com/article/the-pleasures-of-imagination/
• Kawakami, K., Dovidio, J. F., Moll, J., Hermsen, S., & Russin, A. (2000). Just say no (to stereotyping): effects of training in the negation of stereotypic associations on stereotype activation. Journal of personality and social psychology, 78(5), 871. https://www.researchgate.net/profile/Sander-Hermsen-2/publication/12497209_Just_Say_No_to_Stereotyping_Effects_of_Training_in_the_Negation_of_Stereotypic_Associations_on_Stereotype_Activation/links/5602972108ae849b3c0e11f1/Just-Say-No-to-Stereotyping-Effects-of-Training-in-the-Negation-of-Stereotypic-Associations-on-Stereotype-Activation.pdf
• Blair, I. V. (2002). The Malleability of Automatic Stereotypes and Prejudice. Personality and Social Psychology Review, 6(3), 242–261. https://doi.org/10.1207/s15327957pspr0603_8

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/a-robot-that-talks-to-itself-might-be-easier-to-interact-with

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Learn why helping others feels like helping ourselves, how wild animals eat healthy, and how the Sahara feeds the Amazon.

We're less likely to remember the things we've given to friends than strangers by Kelsey Donk

• We’re Worse At Remembering Exactly What We’ve Given To Friends Than What We’ve Given To Strangers. (2021, April 12). Research Digest. https://digest.bps.org.uk/2021/04/12/were-worse-at-remembering-exactly-what-weve-given-to-friends-than-what-weve-given-to-strangers/
• Uğurlar, P., Posten, A.-C., & Zürn, M. (2021). Interpersonal closeness impairs decision memory. Social Psychology, 52(2), 125–129. https://doi.org/10.1027/1864-9335/a000439

How do wild animals eat a healthy diet when humans struggle to? by Ashley Hamer (Listener question from Jason in Port Ewen, New York)

• Predators hunt for a balanced diet. (2012). ScienceDaily. https://www.sciencedaily.com/releases/2012/01/120110192942.htm
• Provenza, F. (2018, November 30). Animals Can Help Us Rediscover Our Nutritional Wisdom. Scientific American Blog Network. https://blogs.scientificamerican.com/observations/animals-can-help-us-rediscover-our-nutritional-wisdom/
• Strauss, S. (2006). Clara M. Davis and the wisdom of letting children choose their own diets. Canadian Medical Association Journal, 175(10), 1199–1199. https://doi.org/10.1503/cmaj.060990
• Schatzker, M. (2015, April 9). How Flavor Drives Nutrition. WSJ; The Wall Street Journal. https://www.wsj.com/articles/how-flavor-drives-nutrition-1428596326
• Tucker, A. (2009, July 14). Why Modern Foods Hijack Our Brains. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/arts-culture/why-modern-foods-hijack-our-brains-63123747/
• Deckersbach, T., Das, S. K., Urban, L. E., Salinardi, T., Batra, P., Rodman, A. M., Arulpragasam, A. R., Dougherty, D. D., & Roberts, S. B. (2014). Pilot randomized trial demonstrating reversal of obesity-related abnormalities in reward system responsivity to food cues with a behavioral intervention. Nutrition & Diabetes, 4(9), e129–e129. https://doi.org/10.1038/nutd.2014.26

The Amazon Rainforest feeds on millions of tons of dust from the Sahara Desert per year by Grant Currin

• Saharan Dust Feeds Amazon’s Plants. (2011). NASA. https://www.nasa.gov/content/goddard/nasa-satellite-reveals-how-much-saharan-dust-feeds-amazon-s-plants
• Yu, H., Chin, M., Yuan, T., Bian, H., Remer, L. A., Prospero, J. M., Omar, A., Winker, D., Yang, Y., Zhang, Y., Zhang, Z., & Zhao, C. (2015). The fertilizing role of African dust in the Amazon rainforest: A first multiyear assessment based on data from Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observations. Geophysical Research Letters, 42(6), 1984–1991. https://doi.org/10.1002/2015gl063040

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/how-do-wild-animals-know-what-to-eat

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Learn about rain on other planets; why Americans used to not use forks; and whether sleep or exercise is more important.

What is rain like on other planets? by Cameron Duke

• Dhingra, R. D., Barnes, J. W., Brown, R. H., Burrati, B. J., Sotin, C., Nicholson, P. D., Baines, K. H., Clark, R. N., Soderblom, J. M., Jauman, R., Rodriguez, S., Mouélic, S. L., Turtle, E. P., Perry, J. E., Cottini, V., & Jennings, D. E. (2019). Observational Evidence for Summer Rainfall at Titan’s North Pole. Geophysical Research Letters, 46(3), 1205–1212. https://doi.org/10.1029/2018gl080943
• https://jpl.nasa.gov. (2012, September 11). NASA Observations Point to “Dry Ice” Snowfall on Mars. Nasa.gov. https://www.jpl.nasa.gov/news/nasa-observations-point-to-dry-ice-snowfall-on-mars
• Kerr, R. A. (1999). PLANETARY SCIENCE:Neptune May Crush Methane Into Diamonds. Science, 286(5437), 25a25. https://doi.org/10.1126/science.286.5437.25a
• Loftus, K., & Wordsworth, R. D. (2021). The Physics of Falling Raindrops in Diverse Planetary Atmospheres. Journal of Geophysical Research: Planets, 126(4). https://doi.org/10.1029/2020je006653
• Tomaswick, A. (2021). Fascinating Infograph Shows What Rain Is Like Elsewhere in The Solar System. ScienceAlert. https://www.sciencealert.com/this-graph-shows-what-raindrops-would-be-like-on-other-worlds

Additional resources from Jason Feifer:

• Build for Tomorrow podcast: https://www.jasonfeifer.com/build-for-tomorrow/
• Website: https://www.jasonfeifer.com/
• Twitter: https://twitter.com/heyfeifer

Sleep vs. Exercise: Which Is More Important? originally aired September 23, 2018 https://omny.fm/shows/curiosity-daily/sleep-vs-exercise-milky-way-pictures-military-meth

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/what-rain-is-like-on-other-planets

Hosted on Acast. See acast.com/privacy for more information.

Learn what the elevator can teach us about our past and our future. Plus: surprising discoveries from bomb-pulse dating.

Additional resources from Jason Feifer:

• Build for Tomorrow podcast: https://www.jasonfeifer.com/build-for-tomorrow/
• Website: https://www.jasonfeifer.com/
• Twitter: https://twitter.com/heyfeifer

"Bomb pulse dating" is how scientists measure the age of living cells using nuclear fallout by Briana Brownell

• Eveleth, R. (2013, February 19). Nuclear Bombs Made It Possible to Carbon Date Human Tissue. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/nuclear-bombs-made-it-possible-to-carbon-date-human-tissue-20074710/
• Mohan, G. (2013, July). Nuclear fallout drops the bomb on ivory poachers. Los Angeles Times; Los Angeles Times. https://www.latimes.com/science/la-xpm-2013-jul-01-la-sci-sn-nuclear-fallout-poachers-20130630-story.html
• Zoppi, U., Skopec, Z., Skopec, J., Jones, G., Fink, D., Hua, Q., Jacobsen, G., Tuniz, C., & Williams, A. (2004). Forensic applications of 14C bomb-pulse dating. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 223-224, 770–775. https://doi.org/10.1016/j.nimb.2004.04.143
• Eriksson, P. S., Perfilieva, E., Björk-Eriksson, T., Alborn, A.-M., Nordborg, C., Peterson, D. A., & Gage, F. H. (1998). Neurogenesis in the adult human hippocampus. Nature Medicine, 4(11), 1313–1317. https://doi.org/10.1038/3305
• Arnold, C. (2013, December 11). Cold War Bomb Testing Is Solving Biology’s Biggest Mysteries. Pbs.org; Nova. https://www.pbs.org/wgbh/nova/article/bomb-pulse/
• Krulwich, R. (2008, November 16). How A-Bomb Testing Changed Our Trees. NPR.org. https://www.npr.org/templates/story/story.php?storyId=96750869?storyId=96750869

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/what-elevators-can-teach-us-about-autonomous-cars-w-jason-feifer-of-entrepreneur-magazine

Hosted on Acast. See acast.com/privacy for more information.

Learn about counterfactual curiosity; the first entanglement-based quantum network; and Rome’s remarkable Cloaca Maxima.

We're morbidly curious to discover what "might have been," even though it can cause regret by Kelsey Donk

• We Have A Strong Urge To Find Out What Might Have Been — Even When This Leads To Feelings Of Regret. (2021, April 8). Research Digest. https://digest.bps.org.uk/2021/04/08/we-have-a-strong-urge-to-find-out-what-might-have-been-even-when-this-leads-to-feelings-of-regret/
• FitzGibbon, L., Komiya, A., & Murayama, K. (2021). The lure of counterfactual curiosity: People incur a cost to experience regret. Psychological science, 32(2), 241-255. https://journals.sagepub.com/doi/full/10.1177/0956797620963615

Researchers have created the first entanglement-based quantum network by Briana Brownell

• Researchers establish the first entanglement-based quantum network. (2021, April 15). Phys.org. https://phys.org/news/2021-04-entanglement-based-quantum-network.html
• Castelvecchi, D. (2021). Quantum network is step towards ultrasecure internet. Nature, 590(7847), 540–541. https://doi.org/10.1038/d41586-021-00420-5
• Malewar, A. (2021, April 16). First entanglement-based quantum network established. Tech Explorist. https://www.techexplorist.com/first-entanglement-based-quantum-network-established/38724/
• Caddy, B. (2021, April 19). Quantum internet: A revolution in knowledge is almost a reality. Inverse; Inverse. https://www.inverse.com/innovation/quantum-internet-is-coming
• Neven, H. (2015, December 8). When can Quantum Annealing win? Google AI Blog. https://ai.googleblog.com/2015/12/when-can-quantum-annealing-win.html
• Dutch researchers establish the first entanglement-based quantum network. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-04/duot-dre040921.php
• Pompili, M., Hermans, S. L. N., Baier, S., Beukers, H. K. C., Humphreys, P. C., Schouten, R. N., Vermeulen, R. F. L., Tiggelman, M. J., dos Santos Martins, L., Dirkse, B., Wehner, S., & Hanson, R. (2021). Realization of a multinode quantum network of remote solid-state qubits. Science, 372(6539), 259–264. https://doi.org/10.1126/science.abg1919

One Of Rome’s Oldest Monuments Is One Of The First Sewer Systems In The World by Reuben Westmaas

• Squires, N. (2012, November 14). Ancient Rome sewer tunnels “in danger of collapsing.” The Telegraph. https://www.telegraph.co.uk/news/worldnews/europe/italy/9677683/Ancient-Rome-sewer-tunnels-in-danger-of-collapsing.html
• Function and Significance. (2021). Cloaca Maxima. https://cloacamaxima.weebly.com/function-and-significance.html
• Rome, Cloaca Maxima - Livius. (2020). Livius.org. https://www.livius.org/articles/place/rome/rome-photos/rome-cloaca-maxima/
• The “Greatest Sewer” of Ancient Rome. (2017, April 11). Atlas Obscura. https://www.atlasobscura.com/places/cloaca-maxima

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer — for free!

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/were-morbidly-curious-about-what-might-have-been

Hosted on Acast. See acast.com/privacy for more information.