
Sci Guys
Sci Guys is a podcast all about the weird and unbelievable ways that scientists learn about the world around us. Each week, Corry (@notcorry) tells the story of a particularly strange scientific study while his cohost Luke (@lukecutforth) does his best to derail the conversation with questions, jokes, and whatever nonsense he can think of.
Latest episodes

May 16, 2022 • 1h 14min
161: The Science of Atomic Gardens
Scientists in the 20th century were looking for a way to use radiation that helped humanity instead of hurting it. So they decided to blast food with radiation to see if they could make it better. Here's how that worked out...
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References & Further Reading
By Nepenthes - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=12137858
https://www.theguardian.com/lifeandstyle/2016/mar/13/growing-atomically-energised-plants-james-wong
https://www.ripleys.com/weird-news/atomic-gardening/
https://www.naro.go.jp/english/laboratory/nics/radbreedlab/index.html
https://www.naro.affrc.go.jp/archive/nias/eng/org/GR/IRB/#:~:text=The%20Institute%20of%20Radiation%20Breeding,Co%20source%20at%20the%20center.
https://www.popsci.com/science/what-is-an-atomic-garden/
https://www.atomicgardening.com/1958/10/01/rebuilding-plants/
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/learn-about-irradiating-seeds.htm
https://www.ediblegeography.com/strange-and-beautiful-seeds-from-the-atom/
https://www.semanticscholar.org/paper/Global-impact-of-mutation-derived-varieties-Ahloowalia-Maluszynski/6b80382ab33c62f9cb3e1028b473aa8b105207d4
https://www.nytimes.com/2007/08/28/science/28crop.html
https://pruned.blogspot.com/2011/04/atomic-gardens.html
http://www.atomicgardening.com/downloads/atomic-gardening-for-the-layman/
http://www.atomicgardening.com/1960/02/21/the-atomic-gardening-society/
https://www.google.com/search?q=why+does+radiationc+ause+mutation&rlz=1C5CHFA_enGB727GB727&oq=why+does+radiationc+ause+mutation&aqs=chrome..69i57j0i13j0i22i30l4j0i8i13i30l2j0i390l2.4312j0j7&sourceid=chrome&ie=UTF-8
https://www.ncbi.nlm.nih.gov/books/NBK218706/#:~:text=Ionizing%20radiation%20damages%20the%20genetic,transmitted%20from%20generation%20to%20generation.
https://www.iaea.org/newscenter/news/what-is-radiation
https://www.cdc.gov/nceh/radiation/what_is.html
https://www.sciencealert.com/fruits-vegetables-before-domestication-photos-genetically-modified-food-natural
genome.gov/genetics-glossary/Mutation

May 9, 2022 • 1h 4min
160: The Science of The Schmidt Pain Scale
Justin Schmidt has been stung by over 100 insects. Being a scientist, he used his experience to create a scale for measuring the pain of insect stings. You won't believe what some people do with the most painful sting we've found....
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References & Further Reading
https://www.nhm.ac.uk/scroller-schmidt-painscale/
https://www.nytimes.com/2016/08/21/magazine/the-connoisseur-of-pain.html
https://entomologytoday.org/2016/09/30/a-peek-into-the-mind-of-the-creator-of-the-schmidt-sting-pain-index/
https://choice.npr.org/index.html?origin=https://www.npr.org/2016/05/15/477852486/stung-by-83-different-insects-biologist-rates-his-pain-on-a-scale-of-1-to-ow
https://www.researchgate.net/scientific-contributions/Justin-O-Schmidt-40012997
https://amp.theguardian.com/environment/2018/may/11/experience-i-have-been-stung-by-150-species-of-insect
https://onlinelibrary.wiley.com/doi/10.1002/arch.940010205
https://www.guinnessworldrecords.com/amp/news/2019/2/king-of-sting-rates-most-painful-insects-558529
https://www.hopkinsmedicine.org/health/conditions-and-diseases/insect-stings
https://www.thoughtco.com/bullet-ant-sting-facts-4174296

May 2, 2022 • 57min
159: The Science of Extra Thumbs
Scientists created a third thumb to help you with everyday tasks, here's the science behind it!
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References & Further Reading
https://www.ucl.ac.uk/news/2021/may/robotic-third-thumb-use-can-alter-brain-representation-hand?utm_source=Portico&utm_medium=Print&utm_campaign=Portico2021
https://m.youtube.com/watch?v=TY6Dm4Klumc
https://www.ucl.ac.uk/icn/people/tamar-makin
https://www.science.org/doi/10.1126/scirobotics.abd7935
https://journals.plos.org/plosbiology/article?id=10.1371%2Fjournal.pbio.3000729
https://plasticity-lab.com/body-augmentation
https://plasticity-lab.com/
https://www.daniclodedesign.com/thethirdthumb
https://www.dezeen.com/2017/07/05/controllable-third-thumb-lets-wearers-extend-natural-abilities-royal-college-art-design-graduates/#
https://www.science.org/doi/10.1126/scirobotics.abd7935#
https://www.youtube.com/watch?app=desktop&v=TY6Dm4Klumc

Apr 25, 2022 • 52min
158: The Science of Swallowing Shrews
What happened to the scientist who swallowed a shrew? Find out in this week’s episode! Why did he do it? Find out in this week’s episode! Was it worth it? You know where to find out…
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References & Further Reading
https://reader.elsevier.com/reader/sd/pii/030544039590008X?token=2AD5CCE378AA407CB7D48BD3909243E42FB91C109A3C51013D4CC284A751D8352AD33368BBB8589D13CA3A71D0A6ACFA&originRegion=eu-west-1&originCreation=20220329231748
https://www.theguardian.com/education/2008/jul/01/improbableresearch.highereducation
https://www.science.org/content/article/crappy-navigation-system-and-shrew-swallowing-win-sciences-highest-dishonor
https://improbable.com/ig/winners/
https://www.jstor.org/stable/2421143

Apr 18, 2022 • 1h 54min
157: The Science of Gender Dysphoria (with NOAHFINNCE)
Sci Guys is 3 years old & our patrons chose Gender Dysphoria as the topic for this anniversary episode! NoahFinnce joins us to give his perspective on this as we discuss how gender dysphoria can affect trans (and sometimes cis) people!
Check out Noah’s music: https://open.spotify.com/album/41d02ZUTdg1D67AAFZ8UuI?si=2BGi_SIRRgO0fPVNSDqBjg
The videos mentioned:
Is Sex Binary: https://youtu.be/UpA42REDV8w
The Science of Gender: https://youtu.be/GrNRD2TkdBw
Grab our BRAND NEW merch now http://normalcitizen.store
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References & Further Reading
Gender Dysphoria
https://www.nhs.uk/conditions/gender-dysphoria/
https://www.britannica.com/science/gender-dysphoria
https://www.ncbi.nlm.nih.gov/books/NBK532313/
https://www.psychiatry.org/psychiatrists/cultural-competency/education/transgender-and-gender-nonconforming-patients/gender-dysphoria-diagnosis
https://www.nhs.uk/conditions/gender-dysphoria/symptoms/
https://gic.nhs.uk/info-support/gender-dysphoria/
https://www.researchgate.net/publication/296700032_The_DSM-5_Diagnostic_Criteria_for_Gender_Dysphoriahttps://www.england.nhs.uk/wp-content/uploads/2017/04/gender-development-service-children-adolescents.pdf
History of Gender Dysphoria
https://pubmed.ncbi.nlm.nih.gov/22844818/
https://www.psychologytoday.com/gb/blog/political-minds/202010/the-weird-history-gender-dysphoria-research?amp
Cause of Gender Dysphoria
https://www.sciencedaily.com/releases/2019/12/191202135655.htm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7415463/
Male vs Female Brains
https://stanmed.stanford.edu/2017spring/how-mens-and-womens-brains-are-different.html#:~:text=Adjusted%20for%20total%20brain%20size,is%20bigger%20than%20a%20woman's.
https://www.nature.com/articles/d41586-019-00677-x
https://scholarship.shu.edu/cgi/viewcontent.cgi?article=1018&context=locus
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6939487/
UK Gender Dysphoria Treatment Protocol
https://www.rcpsych.ac.uk/docs/default-source/improving-care/better-mh-policy/college-reports/cr181-good-practice-guidelines-for-the-assessment-and-treatment-of-adults-with-gender-dysphoria.pdf
https://www.gendergp.com/wp-content/uploads/2016/03/NHS-Gender-Protocol.pdf
https://www.nhs.uk/conditions/gender-dysphoria/treatment/
Sex
https://dictionary.apa.org/sex-characteristic

Apr 11, 2022 • 60min
156: The Science of Sleep Disorders
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References & Further Reading
https://www.nhlbi.nih.gov/health-topics/circadian-rhythm-disorders#:~:text=Circadian%20rhythm%20disorders%20are%20problems,to%20sleep%20and%20wake%20up.
https://rarediseases.org/rare-diseases/non-24-hour-sleep-wake-disorder/
https://www.nature.com/articles/s41398-020-0694-0
https://www.theravive.com/therapedia/circadian-rhythm-sleep-disorder-dsm--5-307.45-(icd--9--cm%2C-multiple-codes)

Apr 4, 2022 • 1h 6min
155: What Happens When You Die?
No one knows what happens when you die, but scientists may be a step closer to changing that...
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References & Further Reading
https://www.livescience.com/first-ever-scan-of-dying-brain
https://www.frontiersin.org/articles/10.3389/fnagi.2022.813531/full?utm_source=fweb&utm_medium=nblog&utm_campaign=ba-sci-fnagi-what-happens-in-the-brain-when-we-die
https://www.nature.com/articles/s41598-019-50601-6
https://www.theatlantic.com/magazine/archive/2015/04/the-science-of-near-death-experiences/386231/
https://www.scientificamerican.com/article/what-near-death-experiences-reveal-about-the-brain/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6139799/

Mar 28, 2022 • 1h 6min
154: The Science of Vanishing Twin Syndrome
Sometimes twins can battle it out while in the womb, resulting in one of them just... disappearing. This is vanishing twin syndrome, and it's far more common than you may first think.
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References & Further Reading
Twins & Pregnancy
https://www.genome.gov/genetics-glossary/identical-twins
https://www.twins.org.au/twins-and-families/about-twins/171-mirror-image-twins
https://www.nhs.uk/pregnancy/finding-out/pregnant-with-twins/
https://www.nhs.uk/conditions/miscarriage/
Vanishing Twins
https://www.ncbi.nlm.nih.gov/books/NBK563220/#:~:text=Vanishing%20twin%20syndrome%2C%20as%20the,image%20of%20a%20vanishing%20twin.
https://time.com/4091210/chimera-twins/
https://www.livescience.com/teens-twin-found-inside-adbomen-fetus-in-fetu.html
Gestational Sac
https://www.ncbi.nlm.nih.gov/books/NBK551624/

Mar 21, 2022 • 1h 19min
153: Xenotransplants: The Man With a Pig Heart
Human organs are in short supply - but this year scientists decided to genetically modify a pig heart to save the life of a man with terminal heart disease. This xentoransplant is brand new science & had never been done before. This week we go over the crazy experiments and mind-blowing science that led to this medical marvel.
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References & Further Reading
Xenotransplantation
https://archive.bio.org/articles/xenotransplantation-benefits-and-risks-special-organ-transplantation
https://www.omixon.com/brief-history-xenotransplantation/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4684730/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3246856/
https://www.who.int/ethics/en/ETH_Nuffiled_xenotransplantation.pdf
https://www.frontiersin.org/articles/10.3389/fimmu.2019.03060/full
https://www.fda.gov/vaccines-blood-biologics/xenotransplantation
https://www.groomers-online.com/professional-c1/scissors-c22/left-handed-scissors-c265/groomers-elite-45-straight-left-handed-bull-nosed-scissors-p755
https://pubmed.ncbi.nlm.nih.gov/34697231/
Organ Donation & Transplants
https://www.organdonation.nhs.uk/helping-you-to-decide/about-organ-donation/statistics-about-organ-donation/
https://www.organdonation.nhs.uk/helping-you-to-decide/about-organ-donation/living-donation/
https://www.nhsbt.nhs.uk/what-we-do/transplantation-services/organ-donation-and-transplantation/
First Pig Heart Transplant
https://www.economist.com/science-and-technology/2022/01/15/the-science-behind-the-first-successful-pig-to-human-heart-transplant
https://www.bbc.co.uk/news/world-us-canada-59944889.amp
https://www.nature.com/articles/d41586-022-00111-9
https://secure.jbs.elsevierhealth.com/action/consumeSsoCookie?redirectUri=https%3A%2F%2Fwww.thelancet.com%2Faction%2FconsumeSharedSessionAction%3FJSESSIONID%3DaaaBetSmryb39fIGYw37x%26MAID%3DcerwNnXJRoDD37sdGKDXfw%253D%253D%26SERVER%3DWZ6myaEXBLFD8VbcQEfOcg%253D%253D%26I2KBRCK%3D1%26ORIGIN%3D695817921%26RD%3DRD%26exp%3DTEn4cY9Dbt214rWTophWGQ%25253D%25253D&code=null&acw=Secure;SameSite=None&utt=
https://amp.theguardian.com/science/2022/feb/03/german-researchers-to-breed-pigs-for-human-heart-transplants

Mar 14, 2022 • 1h 11min
152: The Science of Hysterical Pregnancies (with NOAHFINNCE)
What happpens when you're pregnant, but without actually being pregnant? These are hysterical pregnancies, and they are totally real. Find out more about these odd phantom foetuses in today's episode.
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References & Further Reading
Hysterical Pregnancies
https://www.psychdb.com/somatic/pseudocyesis
https://www.cureus.com/articles/40598-a-rare-case-of-pseudocyesis-in-a-patient-with-bipolar-disorder
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2738334/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3674939/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3361851/#__ffn_sectitle
https://www.britannica.com/science/false-pregnancy
https://www.britannica.com/science/hydatidiform-mole
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5894469/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4133423/
https://americanpregnancy.org/getting-pregnant/infertility/false-pregnancy/
Somatic Symptom Disorders
https://www.psychiatry.org/patients-families/somatic-symptom-disorder/what-is-somatic-symptom-disorder
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2990557/
https://www.psychdb.com/somatic/dsm-5/z-other-specified