Links and references from the episode:

* Wikipedia: Ring a Ring o’ Roses (https://en.wikipedia.org/wiki/Ring_a_Ring_o'_Roses)

* William Wells Newell: Games and Songs of American Children (https://books.google.com/books?id=6tvfAAAAMAAJ)

* Metafolklore: Ring Around the Rosie (https://blogs.loc.gov/folklife/2014/07/ring-around-the-rosie-metafolklore-rhyme-and-reason/)

* Wikipedia: San Francisco plague of 1900–1904 (https://en.wikipedia.org/wiki/San_Francisco_plague_of_1900%E2%80%931904)

* Youtube: Footloose "Dancing Warehouse" Scene (https://www.youtube.com/watch?v=j8XGmZ8HDIU)

References from this episode:

* There's no "new" and "old" brain

* Wikipedia: Triune brain (https://en.wikipedia.org/wiki/Triune_brain)

* How should you pull off a bandaid?

* Medical Journal of Australia: Fast versus slow bandaid removal: a randomised trial (https://www.mja.com.au/journal/2009/191/11/fast-versus-slow-bandaid-removal-randomised-trial)

* Fine hair is less likely to ingrow

* WebMD: Ingrown hair (https://www.webmd.com/skin-problems-and-treatments/guide/ingrown-hair-causes-symptoms-treatment)

* Puberty is happening earlier and earlier

* The Guardian: Why is puberty starting younger? (https://www.theguardian.com/politics/2013/nov/04/why-is-puberty-starting-younger-precocious)

* The Alexander mosaic hasn't faded mostly because of oxide-based pigments

* American Journal of Archaeology: Chemical Classification and Provenance of Some Roman Glazed Ceramics (https://www.jstor.org/stable/506438?seq=1#page_scan_tab_contents)

* Pigs can sweat, but not through their cloven hooves

* International Journal of Biometeorology: The evolution of sweat glands (https://link.springer.com/article/10.1007%2FBF01049065)

* The Earth Pyramid is meant to be "green," not "renewable

* Earth Pyramid: Construction (https://www.earthpyramid.org/construction/)

* Soldiers probably had to wait months to return home after World War II

* Wikipedia: Demobilization of United States armed forces after World War II (https://en.wikipedia.org/wiki/Demobilization_of_United_States_armed_forces_after_World_War_II)

* We got rid of DDT, not DEET

* Wikipedia: DEET (https://en.wikipedia.org/wiki/DEET)

* Carrot cake wasn't invented in WWII

* Wikipedia: Carrot cake (https://en.wikipedia.org/wiki/Carrot_cake)

* Vitamin B comes from bacteria

* MIT News: MIT biologists solve vitamin puzzle (http://news.mit.edu/2007/b12)

* Bees aren't tetrachromats, but they can see in UV

* Evan Thompson: Colour Vision: A Study of Cognitive Science and the Philosophy of Perception (https://www.thefreelibrary.com/Colour+Vision.+A+Study+of+Cognitive+Science+and+the+Philosophy+of+...-a053489986)

* Wikipedia: Aphakia (https://en.wikipedia.org/wiki/Aphakia)

Sources from this episode:

* Bullfighting

* Wikipedia: Bullfighte (https://en.wikipedia.org/wiki/Bullfighter)r

* Leigh & Morris: With the World's Great Travelers, Volume 3 (http://www.gutenberg.org/ebooks/35632)

* Bats

* The Verge: Not even bats are 'blind as a bat' (https://www.theverge.com/science/2017/7/5/15904354/bats-blind-myth-someone-lied-to-you)

* National Geographic: 6 Bat Myths Busted (https://news.nationalgeographic.com/news/2014/10/141031-bats-myths-vampires-animals-science-halloween/)

* Goldfish

* The Daily Mail (sorry): Old goldfish (http://www.dailymail.co.uk/news/article-2160273/The-boy-won-goldfish-funfair-aged-amazed-survives-24-years.html)

* Telegraph: Fish's memories last for months, say scientists (https://www.telegraph.co.uk/news/science/science-news/4158477/Fishs-memories-last-for-months-say-scientists.html)

Some links from this week's episode:

* Pet Health Network: Are dogs really colorblind? (http://www.pethealthnetwork.com/dog-health/dog-diseases-conditions-a-z/are-dogs-really-colorblind)

* ColBlindor: Deuteranopia—Red-green color blindness

* Whole Dog Journal: Structure of the canine eye (https://www.whole-dog-journal.com/issues/7_9/features/Canine-Eye_15653-1.html)

* Daily Treat: 7 dog myths you totally thought were true (https://www.rover.com/blog/7-dog-myths/)

* The Spruce Pets: What are the biggest dog myths? (https://www.thesprucepets.com/biggest-dog-myths-1117469)

* Clive Maxfield: Color vision: one of nature's wonders (http://www.clivemaxfield.com/diycalculator/popup-m-cvision.shtml)

Links and references from this episode:

* Camera obscura

* Wikipedia: Camera obscura (https://en.wikipedia.org/wiki/Camera_obscura)

* Encyclopædia Britannica: Photography (https://www.britannica.com/technology/photography)

* Nicéphore Niépce

* Maison Nicéphor Niépce: The History of Photography (http://www.photo-museum.org/photography-history/)

* Louis-Jacques-Mandé Daguerre

* Mental Floss: Daguerreotype Q&A (http://mentalfloss.com/article/16677/daguerreotype-qa)

* Henry Fox Talbot

* Wikipedia: Calotype (https://en.wikipedia.org/wiki/Calotype)

* Later photography

* Wikipedia: Collodion process (https://en.wikipedia.org/wiki/Collodion_process)

* Smiling in early photographs

* IEEE Transactions on Computational Imaging: A Century of Portraits: A Visual Historical Record of American High School Yearbooks (http://people.eecs.berkeley.edu/~shiry/publications/IEEE_yearbooks.pdf)

* Library of Congress: Her Majesty’s gracious smile. An instantaneous photograph from life (https://www.loc.gov/resource/cph.3b39605/)

* Critical Studies in Media Communication: Why We Say “Cheese”: Producing the Smile in Snapshot Photography (https://www.tandfonline.com/doi/pdf/10.1080/0739318042000331853?needAccess=true)

Some links from the show:

* Vitamin A and night visions

* British Journal of Opthalmology: Night vision in a case of vitamin A deficiency due to malabsorption (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1039942/pdf/brjopthal00157-0047.pdf)

* Types of vitamin A

* National Institutes of Health: Vitamin A (https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/)

* Overdosing on vitamin A

* Wikipedia: Hypervitaminosis A (https://en.wikipedia.org/wiki/Hypervitaminosis_A)

* How vegans get B12

* PETA: Vegan B12 sources that will make you healthy in body and mind (https://www.peta.org/living/food/vegan-b12-sources-will-make-healthy-body-mind/)

* Linus Pauling's vitamin C quest

* Vox: How Linus Pauling duped America into believing vitamin C cures colds (https://www.vox.com/2015/1/15/7547741/vitamin-c-myth-pauling)

* Does vitamin C treat colds?

* Cochrane Library: Vitamin C for preventing and treating the common cold (http://cochranelibrary-wiley.com/doi/10.1002/14651858.CD000980.pub3/abstract;jsessionid=F30FC0763AD9AE151A2D080C9C223DC4.f03t01?systemMessage=Cochrane+Library+will+be+unavailable+on+Saturday+24th+March+2018+at+05.00+EDT+%2F+09%3A00+GMT+%2F+14%3A30+IST+%2F+17.00+SGT+for+3+hours+due+to+essential+maintenance.+Apologies+for+any+inconvenience.)

* WebMD: Vitamin C for the common cold (https://www.webmd.com/cold-and-flu/cold-guide/vitamin-c-for-common-cold)

We come to a shocking conclusion this week: if you're pregnant, you should probably go to a hospital.

 

Some sources from this episode:

* Midwives require accreditation

* Wikipedia: Midwife (https://en.wikipedia.org/wiki/Midwife#United_States)

* Somewhere between 1 and 1.5% of women died giving birth in the 1700s

* Slate: The Disturbing, Shameful history of Childbirth Deaths (http://www.slate.com/articles/health_and_science/science_of_longevity/2013/09/death_in_childbirth_doctors_increased_maternal_mortality_in_the_20th_century.html)

* Twilight sleep was an early approach to sedation that wasn't quite... ideal.

* Wikipedia: Twilight sleep (https://en.wikipedia.org/wiki/Twilight_sleep)

References from the show:

* Types of soreness

* Wikipedia: Delayed onset muscle soreness (https://en.wikipedia.org/wiki/Delayed_onset_muscle_soreness)

* Wikipedia: Acute muscle soreness (https://en.wikipedia.org/wiki/Acute_muscle_soreness)

* A very helpful review on all things soreness

* Sports Medicine: Delayed Onset Muscle Soreness (https://link.springer.com/article/10.2165/00007256-200333020-00005)

* More articles

* BJSM: Stretching before or after exercise does not reduce delayed-onset muscle soreness (http://bjsm.bmj.com/content/45/15/1249)

* IJSPT: The effects of self-myofascial release using a foam roll or roller massager on joint range of motion, muscle recovery, and performance: a systematic review (https://www.ncbi.nlm.nih.gov/pubmed/26618062/)

* JAT: Effects of massage on delayed-onset muscle soreness, swelling, and recovery of muscle function (https://www.carolinashealthcare.org/documents/NorthEastInternalIntegrative/research-library/Massage/DelayedOnsetMuscleSoreness.pdf)

Some notes and sources from the episode:

* State of the Union Addresses of the Presidents of the United States

* www.presidency.ucsb.edu/sou.php.

* George Washington's Mount Vernon: First Annual Address to Congress (http://www.mountvernon.org/digital-encyclopedia/article/first-annual-address-to-congress/)

* Franklin D. Roosevelt: Annual Message to Congress on the State of the Union - January 6, 1941.

* The American Presidency Project: www.presidency.ucsb.edu/ws/index.php?pid=16092 (http://www.presidency.ucsb.edu/ws/index.php?pid=16092)

* George W. Bush: Address Before a Joint Session of the Congress on the State of the Union - January 29, 2002. 

* The American Presidency Project: www.presidency.ucsb.edu/ws/index.php?pid=29644 (http://www.presidency.ucsb.edu/ws/index.php?pid=29644)

* George Washington's first state of the union address

* George Washington's Mount Vernon: www.mountvernon.org/education/primary-sources/state-of-the-union-address (http://www.mountvernon.org/education/primary-sources/state-of-the-union-address)

* U.S. Constitution. Art. II, Sec. 3

Here's a correction: I accidentally said DEET instead of DDT, and just ran with it. You'll have to forgive us for being silly.

Some links and references used for the show:

* How divorce has changed since the 1980s

* AARP: Divorce, 1981-style (https://www.aarp.org/home-family/friends-family/info-2016/divorce-1980s.html)

* The military and divorce

* Wevorce: Marriages—another casualty of war? (https://www.wevorce.com/blog/marriages-another-casualty-of-war/)

* Divorce statistics

* United States Census Bureau: Number, timing, and duration of marriages and divorces: 2009 (https://www.census.gov/prod/2011pubs/p70-125.pdf)