Curiosity Weekly - podcast cover

Curiosity Weekly

Discoverywww.discovery.com

Welcome to Curiosity Weekly from Discovery, hosted by Dr. Samantha Yammine. Once a week, we’ll bring you the latest and greatest in scientific discoveries and break down the details so that you don’t need a PhD to understand it. From neuroscience to climate tech to AI and genetics, no subject is off-limits. Join Sam as she interviews expert guests and investigates the research guiding some of the most exciting scientific breakthroughs affecting our world today.  


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Episodes

We Can Use DNA for Data Storage

Learn about how we could use DNA to store all of human knowledge for thousands of years. Then, test your podcast knowledge with the Curiosity Challenge trivia game. You’ll also learn about why becoming a parent may help you live longer. DNA data storage could store all human knowledge in a small space for thousands of years by Grant Currin TED-Ed. (2017). Is DNA the future of data storage? - Leo Bear-McGuinness [YouTube Video]. In YouTube. https://www.youtube.com/watch?v=r8qWc9X4f6k Yong, E. (20...

Apr 09, 202113 min

The Known Solar System Just Got Bigger

Learn about how mice seem to feel each other’s pain; why our known solar system just got a little bigger thanks to “Farfarout” 2018 AG37; and the history of quinine, the malaria cure that eventually led to the gin and tonic. Mice seem to feel each other's pain by Steffie Drucker Mice feel for each other. (2021, January 15). Mice feel for each other. Science | AAAS. https://www.sciencemag.org/news/2021/01/mice-feel-each-other Mice may “catch” each other’s pain — and pain relief. (2021, January 12...

Apr 08, 202114 min

An Outsider’s Guide to Humans (w/ Scientist Camilla Pang)

Scientist and award-winning author Camilla Pang explains why she wanted to write a manual for humans. You’ll also learn about the planetary chaos that resulted when the Earth’s magnetic poles reversed. Additional resources from Camilla Pang: Pick up "An Outsider's Guide to Humans: What Science Taught Me About What We Do and Who We Are" from Amazon: https://amzn.to/3vXzmMD Camilla Pang's website: https://www.camillapang.com/ Camilla Pang on Twitter: https://twitter.com/millzymai Reversal of Earth...

Apr 07, 202112 min

Post-Traumatic Growth Is a Pandemic Silver Lining

Learn about how caregivers may experience “post-traumatic growth” from the pandemic; why the UK has one of the world’s most memorable postcode systems; and how researchers witnessed the birth and development of a completely new language: Idioma de Señas de Nicaragua. Survey suggests most caregivers have experienced "post-traumatic growth" from the pandemic by Kelsey Donk Study identifies “post-traumatic growth” emerging from COVID-19 lockdowns. (2021). EurekAlert! https://www.eurekalert.org/pub_...

Apr 06, 202112 min

Most Conversations Go On Longer Than We Want Them To

Learn about why most conversations go on for a lot longer than we want them to; a genetic mutation that makes some people resilient to the cold; and how homing pigeons pass down their knowledge. Most conversations go on for twice as long as we want them to by Kelsey Donk When people want conversations to end. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-03/potn-wpw022421.php Mastroianni, A. M., Gilbert, D. T., Cooney, G., & Wilson, T. D. (2021). Do conversations end when ...

Apr 05, 202112 min

Bad News About Your Wearable Sleep Tracker

Learn about which sleep trackers are actually accurate; how important closure is for a life transition; and why mirrors flip horizontally, but not vertically. Study of 9 sleep trackers finds that all but 2 are inaccurate by Kelsey Donk You snooze, you lose - with some sleep trackers. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/wvu-ysy021721.php Stone, J. D., Rentz, L. E., Forsey, J., Ramadan, J., Markwald, R. R., Finomore, V. S., Galster, S. M., Rezai, A., & Hagen, J....

Apr 02, 202114 min

Why April Fool’s Day Exists

Learn about what the “frenemy effect” can teach us about bullying; the surprising ability of marmosets to eavesdrop on each others’ conversations; and why April Fool’s Day may have originated from an out-of-date calendar. The "frenemy effect" says bullying happens most between friends by Kelsey Donk Most Teen Bullying Occurs Among Peers Climbing the Social Ladder. (2021, February 17). UC Davis. https://www.ucdavis.edu/news/most-teen-bullying-occurs-among-peers-climbing-social-ladder With Friends...

Apr 01, 202115 min

Aleutian Island Secrets and Electrical Ear Activity

Award-winning photographer, filmmaker, and environmentalist Ian Shive gives the inside scoop on a research expedition to the Aleutian Islands. Then, learn how researchers solved a molecular mystery about how our ears turn sound into what you hear. Additional resources from Ian Shive: Watch “The Last Unknown” on discovery+ https://www.discoveryplus.com/show/the-last-unknown Start your 7-day free trial of discovery+ https://discoveryplus.com/curiosity “The Last Unknown” official trailer https://ww...

Mar 31, 202113 min

There’s No Such Thing as a Hypoallergenic Dog

Learn about why there’s no such thing as a hypoallergenic dog; why you should praise kids for their work ethic, not their smarts; and why you should never put coffee grounds in your garden. There's no such thing as a hypoallergenic dog by Grant Currin More, D. (2021). The Myth of Hypoallergenic Dogs. Verywell Health. https://www.verywellhealth.com/the-myth-of-hypoallergenic-dogs-82709 Pet allergy: Are there hypoallergenic dog breeds? (2019). Mayo Clinic; https://www.mayoclinic.org/diseases-condi...

Mar 30, 202113 min

Having a Bad Boss Can Make You a Great Boss

Learn about why it’s a big deal that researchers found animal life underneath the Antarctic ice shelf; how scientists measured blinks to figure out why exercise gives your brain a boost; and why having a bad boss can make you a good boss. Scientists accidentally found animal life 3,000 feet beneath the Antarctic ice shelf by Steffie Drucker Sample, I. (2021, February 15). Researchers rethink life in a cold climate after Antarctic find. The Guardian; The Guardian. https://www.theguardian.com/scie...

Mar 29, 202112 min

Why Are There Bubbles in my Day-Old Water?

Learn about why bubbles appear in your water overnight; the “other-contingent extravert,” a new type of extravert that’s only outgoing in certain situations; and why food sticks to nonstick pans. Bubbles in water left out overnight by Ashley Hamer (Listener question from Adam) Why do bubbles form if a glass of water is left alone for a while? (2006, February 6). Scientific American. https://www.scientificamerican.com/article/why-do-bubbles-form-if-a/ Water Q&A: Why is my drinking water cloud...

Mar 26, 202113 min

This Language Shift Could Signal an Impending Breakup

Learn about a change in language use that could mean a breakup is on the way; why ogre-faced spiders are basically ninja assassins, with help from Cornell University professor Ron Hoy; and how it’s possible to exercise too much. A change in pronoun use could signal an impending breakup by Kelsey Donk Use of pronouns may show signs of an impending breakup. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/uota-uop012721.php Seraj, S., Blackburn, K. G., & Pennebaker, J. W. (2...

Mar 25, 202113 min

What Your Ears and Spider Fuzz Have In Common

Learn why Cygnus X-1, the first black hole ever discovered, is bigger than we thought. Then, learn about spider hearing with help from Ron Hoy, a professor of neurobiology and behavior at Cornell University who studies acoustic communication in insects. The first black hole ever discovered is bigger than we thought by Grant Currin First black hole ever detected is more massive than we thought. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/caos-fbh021821.php The mass of Cygn...

Mar 24, 202111 min

Local Honey Won’t Cure Your Allergies

Learn about why changing out of your pajamas while you work could improve your mental health; why local honey doesn’t stop seasonal allergies; and shisa kanko, a surprisingly simple Japanese ritual that greatly improves accuracy. Working from home in your pajamas is linked to poorer mental health by Kelsey Donk The Re:Set Team. (2021, February 5). Scientists Say Working From Home in Pyjamas Can Dampen Your Mental Health. Re:Set. https://resetyoureveryday.com/scientists-working-from-home-pyjamas-...

Mar 23, 202113 min

Gaining Weight With Age Might Be Healthier Than Staying Slim

Learn about why it might actually be healthy to gain weight as you get older; the alkaloids responsible for why our pets can’t eat chocolate; and how small a minority can be to reshape society. Gaining weight as you age may be healthier than staying at the same weight by Grant Currin Survival tip: Start at normal weight and slowly add pounds. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/osu-sts020121.php Ingraham, C. (2016, January 29). Look at how much weight you’re going...

Mar 22, 202111 min

How Loud Is the Sun?

Learn about a simple way to reduce your internet carbon footprint; how brain images can make you more likely to believe fake science; and how loud the sun is. The internet has a big carbon footprint, and you can reduce yours with a simple fix by Kelsey Donk Turn off that camera during virtual meetings, environmental study says. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-01/pu-tot011421.php Obringer, R., Rachunok, B., Maia-Silva, D., Arbabzadeh, M., Nateghi, R., & Madani...

Mar 19, 202112 min

Why That Thing You Just Learned Is Suddenly Everywhere

Writer, producer, and “Flash Forward” podcast host Rose Eveleth explains why so many technology breakthroughs never pan out. Then, learn about real-life giant sand worms and why the Baader-Meinhof Phenomenon makes you notice some things more than others. Additional resources from Rose Eveleth: Rose's website: http://roseveleth.com/ Flash Forward podcast: https://www.flashforwardpod.com/ Flash Forward Presents: https://www.ffwdpresents.com/ Follow Rose on Twitter: https://twitter.com/roseveleth T...

Mar 18, 202114 min

Why Futurists Don’t Need to Know the Future (w/ “Flash Forward” Host Rose Eveleth)

Rose Eveleth — writer, producer, and “Flash Forward” podcast host — explains why futurists don’t need to know the future. Then, you’ll learn about the oldest examples of money ever discovered. Additional resources from Rose Eveleth: Rose's website: http://roseveleth.com/ Flash Forward podcast: https://www.flashforwardpod.com/ Flash Forward Presents: https://www.ffwdpresents.com/ Follow Rose on Twitter: https://twitter.com/roseveleth Money may have been invented as long as 5,000 years ago by Gran...

Mar 17, 202114 min

Liars May Imitate Your Body Language

Learn about why liars may mimic your body language; why “tend and befriend” is an alternative response to “fight or flight”; and why lakes freeze from the top down, not the bottom up. Liars imitate the body language of the person they're lying to by Kelsey Donk Lesté-Lasserre, C. (2020). Lying men mimic the body language of other men they are talking to. New Scientist. https://www.newscientist.com/article/2264607-lying-men-mimic-the-body-language-of-other-men-they-are-talking-to/ A liar and a co...

Mar 16, 202112 min

Time Management Can Make You Happier

Learn about why time management can make you happier; how catnip can protect your cat from mosquitoes; and 3 ways your identity could be stolen without getting your computer hacked — and how to protect yourself. Time management has a stronger effect on wellbeing than on job performance by Kelsey Donk Aeon, B., Faber, A., & Panaccio, A. (2021). Does time management work? A meta-analysis. PLOS ONE, 16(1), e0245066. https://doi.org/10.1371/journal.pone.0245066 Catnip may have a purpose beyond g...

Mar 15, 202111 min

Identical Twins Aren’t as Identical as We Thought

Learn about the science of sourdough starters; and why identical twins aren’t so identical after all. Then, play along at home as we test your podcast knowledge with this month’s Curiosity Challenge trivia game. Study of sourdough from around the world shows location doesn't matter for its microbes by Cameron Duke Intercontinental study sheds light on the microbial life of sourdough. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-01/ncsu-iss012621.php Kiniry, L. (2020). Why San...

Mar 12, 202113 min

What a 95% Effective Vaccine Actually Means

Award-winning journalist Tim Harford explains what it means when you hear that a COVID vaccine is 95% effective. Then, learn about Sentinel Island, home to the last uncontacted people on Earth; and what we can learn about our solar system’s theoretical “Planet Nine” from the newly discovered planet HD 106906 b. Additional resources from Tim Harford: Pick up "The Data Detective: Ten Easy Rules to Make Sense of Statistics" on Amazon: https://amzn.to/3ad1dQ4 Tim Harford's website: https://timharfor...

Mar 11, 202113 min

Did Your Microbiome Come from Dirt?

Award-winning journalist and economist Tim Harford explains three simple rules for understanding statistics and evaluating truth in the news. Then, you’ll learn about why our microbiomes may have come from dirt. Additional resources from Tim Harford: Pick up "The Data Detective: Ten Easy Rules to Make Sense of Statistics" on Amazon: https://amzn.to/3ad1dQ4 Tim Harford's website: https://timharford.com/ Tim Harford on Twitter: https://twitter.com/TimHarford Microbes in dental plaque are more like...

Mar 10, 20219 min

The Duck-Billed Platypus Is Weirder Than You Thought

Learn about what researchers found when they sequenced the bizarre duck-billed platypus genome; a trick for unlocking your creativity; and the strange reasons for job-specific voices, like those of pilots, newscasters, and poets. The duck-billed platypus genome was just sequenced, and it's a doozy by Grant Currin Cassella, C. (2021). Now We Know Why Platypus Are So Weird - Their Genes Are Part Bird, Reptile, And Mammal. ScienceAlert. https://www.sciencealert.com/platypus-genes-reveal-some-of-the...

Mar 09, 202113 min

Yeah, About That Phosphine on Venus...

Learn about the surprising memory skills of infants; why that whole “phosphine on Venus” discovery may not be as exciting as we thought; and how medical science answered Molyneux's problem, a 300-year-old philosophy question. 3-year-olds can recognize a person they met once when they were 1 year old by Kelsey Donk The amazing durability of infant memory: Three-year-olds show recognition of a person they met once at age one. (2014, March 17). Research Digest; Research Digest. https://digest.bps.o...

Mar 08, 202112 min

Why Can’t You Hold Your Breath to Death?

Learn about why you can’t suffocate by holding your breath; how being angry makes you more likely to believe misinformation; and that time scholars tried to kick Latin out of English, thanks to words like honorificabilitudinitatibus. Why can't you suffocate by holding your breath? by Ashley Hamer (Listener question from Daniel in Beirut) Parkes, M. J. (2005). Breath-holding and its breakpoint. Experimental Physiology, 91(1), 1–15. https://doi.org/10.1113/expphysiol.2005.031625 Parkes, M. J. (201...

Mar 05, 202113 min

Quadruple-Helix DNA Is a Thing

Learn about how quadruple-helix DNA could help us fight cancer; how diversity improves technology, with materials scientist Ainissa Ramirez; and how cats domesticated themselves. Quadruple-helix DNA exists - and it might be useful for fighting cancers by Cameron Duke Rare quadruple-helix DNA found in living human cells with glowing probes. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-01/icl-rqd011321.php Researchers Observe Formation of Four-Stranded DNA in Living Human Cells...

Mar 04, 202113 min

Scientists Finally Know How Sandcastles Work

Learn about why we still don’t know how eels reproduce and how scientists solved a 150-year-old question about how sandcastles hold together. We still don't know how eels reproduce by Grant Currin TED-Ed. (2020). No one can figure out how eels have sex - Lucy Cooke [YouTube Video]. In YouTube . https://www.youtube.com/watch?v=RFi6ISTjkR4 Epic Eel Migration Mapped for the First Time. (2015, October 27). National Geographic News. https://www.nationalgeographic.com/news/2015/10/151027-american-eel-...

Mar 03, 202111 min

How to Know You’re Running Low on Vitamins

Learn about how to tell when your body is running low on key vitamins; how Neanderthals mourned their dead; and why you should NOT pre-rinse your dishes before putting them in the dishwasher. Ways Your Body Tells You You're Running Low on Key Vitamins by Stephanie Bucklin Centers for Disease Control and Prevention, National Center for Environmental Health, & Division of Laboratory Sciences. (2012). CDC’s Second Nutrition Report: A comprehensive biochemical assessment of the nutrition status ...

Mar 02, 202113 min

What Getting Chills from Music Says About Your Brain

Learn about a surprising benefit of adding humor to the news; what getting chills from music says about your brain; and how Volta’s electric eels that hunt in packs. Young adults are more likely to remember and share news delivered with humor by Kelsey Donk New Study Finds that Delivering the News with Humor Makes Young Adults More Likely to Remember and Share | Annenberg School for Communication. (2021). Upenn.edu. https://www.asc.upenn.edu/news-events/news/new-study-finds-delivering-news-humor...

Mar 01, 202112 min
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