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

Two Types of Empathy, Why Razors Dull, and Can You Learn Perfect Pitch?

Learn about how there are two types of empathy — and why we need both, why sturdy steel razors dull, and whether it’s possible to learn perfect pitch. There are two types of empathy, and we need both by Kelsey Donk Empathy Definition | What Is Empathy. (2020). Greater Good Magazine. UC Berkeley. https://greatergood.berkeley.edu/topic/empathy/definition Hot to Help. (2020). Greater Good Magazine. UC Berkeley. https://greatergood.berkeley.edu/article/item/hot_to_help The Psychology of Emotional an...

Sep 14, 202011 min

We All Think We’re Bad With Names, The Genius of Hobo Code, and How Attractive Do You Think You Are?

Learn about why everyone claims they’re awful at remembering names; how “hobo code” helped itinerant workers communicate in the 1900s; and whether you probably see yourself as more attractive than you really are. We all think our memories are above average, except for remembering names by Steffi Drucker Finally, One Area Where We Don’t Think We’re Better Than Others: Remembering Names. (2020, August 5). Research Digest; Research Digest. https://digest.bps.org.uk/2020/08/05/finally-one-area-where...

Sep 11, 202013 min

A Harmful Mutation Evolved for Good, Why Astronauts Are Using Old Sailing Tech in Space, and Cody’s Message

Learn about how a mutation that evolved to protect us against malaria actually makes us more prone to other diseases; and why astronauts are using old sailing technology (sextants) to navigate through space. Plus: a special update from Cody! A mutation that makes us prone to autoimmune diseases evolved to protect us from malaria by Cameron Duke Khan, N., de Manuel, M., Peyregne, S., Do, R., Prufer, K., Marques-Bonet, T., Varki, N., Gagneux, P., & Varki, A. (2020). Multiple Genomic Events Alt...

Sep 10, 202011 min

The Rando Who Translated Gilgamesh, Why Horses Lost Their Toes, and a Sperm-Swimming Discovery

Learn about how the Epic of Gilgamesh, one of the oldest texts in the world, was first translated not by a scientist, but by an engraver’s apprentice named George Smith; how horses lost their toes; and why sperm swim differently than scientists previously thought. Some Random Guy Stumbled Upon and Translated a Legendary Ancient Text by Reuben Westmaas Damrosch, D. (2007, May). Epic Hero. Smithsonian Magazine. https://www.smithsonianmag.com/history/epic-hero-153362976/ Rym Ghazal. (2011, April 13...

Sep 09, 202011 min

Difference Between Unscented & Fragrance-Free and Cow Gene Editing for More Male Offspring

Learn why fragrance-free is NOT the same as unscented, and how a cow named Cosmo was genetically edited so he’ll have more male offspring. There's a big difference between "unscented" and "fragrance free" by Kelsey Donk Schwarcz, J. (2017, July 21). What is the difference between “Unscented” and “Fragrance-free” products? Office for Science and Society. McGill University. https://www.mcgill.ca/oss/article/quirky-science-you-asked/what-difference-between-unscented-and-fragrance-free-products US E...

Sep 08, 20209 min

Short-Term Pleasures Are Important Too, the Smelly Armpit Enzyme, and a Thorne-Żytkow Object Is a Star Within a Star

Learn about why short-term pleasures are important for your well-being; a Thorne-Żytkow Object, which is what astronomers call a star within a star; and how science identified the culprit for your smelly armpits: Staphylococcus hominis . Short-term pleasures contribute to well-being just as much as self-control by Kelsey Donk Hedonism leads to happiness. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-07/uoz-hlt072720.php Bernecker, K., & Becker, D. (2020). Beyond Self-Contr...

Sep 07, 202012 min

The Myth of Pregnancy Cravings, Why Raindrops Don’t Damage Insect Wings, and August’s Curiosity Challenge Trivia

Learn why pregnancy cravings might be more cultural than biological; and why raindrops don’t damage delicate insect wings. Then, play along at home and test your podcast knowledge with this month’s Curiosity Challenge trivia game. Pregnancy cravings are more cultural than biological by Grant Currin Orloff, N. C., Flammer, A., Hartnett, J., Liquorman, S., Samelson, R., & Hormes, J. M. (2016). Food cravings in pregnancy: Preliminary evidence for a role in excess gestational weight gain. Appeti...

Sep 04, 202013 min

Aggression and Epigenetics (w/ Bill Sullivan), Calm Down with Box Breathing, and How Anglerfish Fuse Without Immune Rejection

Author Bill Sullivan discusses the surprising ways your genes can influence aggressive and violent tendencies. Then, learn about how it’s possible that anglerfish can fuse to their mates; and box breathing, a Navy SEAL technique for reducing stress and staying calm. Additional resources from Bill Sullivan: Pick up “Pleased to Meet Me: Genes, Germs, and the Curious Forces That Make Us Who We Are” on Amazon https://amazon.com Bill Sullivan’s official website https://authorbillsullivan.com/ Follow ...

Sep 03, 202014 min

The Invisible Forces Controlling You (w/ Bill Sullivan), You Daydream Surprisingly Often, and Ancient Greek Temples Were Built on Fault Lines on Purpose

Learn about how frequent daydreaming may be killing your mood, why ancient Greek temples were purposely built on fault lines; and the invisible forces that make you do the things you do, with author Bill Sullivan. You Daydream Surprisingly Often, and It's Not Helping by Rachel Bertsche Bradt, S. (2010, November 11). Wandering mind not a happy mind. Harvard Gazette; Harvard Gazette. https://news.harvard.edu/gazette/story/2010/11/wandering-mind-not-a-happy-mind/ Daydreaming Is a Downer. (2010, Nov...

Sep 02, 202013 min

Normalcy Bounces Back Quickly in Times of Stress and the Female Astronauts of the Mercury 13

Learn about how people under stress can find a “new normal” surprisingly quickly, and why the Mercury 13 should have been the first women in space. Even under stress, our sense of normalcy bounces back surprisingly quickly by Kelsey Donk Sense of normalcy bounces back fast: New study. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-07/uom-son072920.php Anicich, E. M., Foulk, T. A., Osborne, M. R., Gale, J., & Schaerer, M. Getting Back to the “New Normal”: Autonomy Restoratio...

Sep 01, 20209 min

How Blind People Describe Animals, Plague Myths About “Ring Around the Rosie,” and Radiation Shields Made from Fungus

Learn about how blind people can describe what animals look like, how “Ring Around the Rosie” probably doesn’t reference the Plague, and why scientists used Cladosporium sphaerospermum, a radiosynthetic species of fungus, to build a radiation shield. Ring Around the Rosie probably doesn't reference the plague by Kelsey Donk Mikkelson, D. (2000, November 17). Is ‘Ring Around the Rosie’ About the Black Plague? Snopes. https://www.snopes.com/fact-check/ring-around-rosie/ Opie, I. A. and Opie, P. (1...

Aug 31, 202010 min

Do Masks Stunt Emotional Development? Plus: Human Ears Perk Up, Too, and Why Your Shower Curtain Clings To You

Learn about the "shower-curtain effect," the mystery of why your shower curtain will randomly cling to you; whether masks affect our emotional development; and why humans perk up their ears. No One Knows Why the Shower Curtain Will Randomly Cling to You by Joanie Faletto Why Does the Shower Curtain Move Toward the Water? (2001, July 11). Scientific American. https://www.scientificamerican.com/article/why-does-the-shower-curta/ Inglis-Arkell, E. (2014, June 3). The Enduring Mystery of Why Your Sh...

Aug 28, 202013 min

What to Do When Your Pet Is Scared, You Have Microbes Inside Your Cells, and Meet Natalia Reagan (Again!)

Learn about what to do when your pet is scared; and why the theory of endosymbiosis says you have microbes inside your cells. Then, stick around to meet Natalia Reagan: an anthropologist, primatologist, and comedian who will be filling Cody’s shoes while he’s on paternity leave. What to do when your pet is scared by Cameron Duke Waite, M. (2020, July 28). You Can’t Reinforce Fear (So Go Ahead and Comfort Your Scared Pet) [Prerecorded presentation]. 2020 Animal Behavior Society Conference Virtual...

Aug 27, 202012 min

Dying People Can Probably Hear You, Mapmakers Catch Copycats with Paper Towns, and How Woodpeckers Shut Down a NASA Launch

Learn about how mapmakers catch copycats with paper towns and trap streets; why people on their deathbed can probably hear their loved ones pay their last respects; and that time some woodpeckers shut down NASA’s plan to launch the space shuttle Discovery. Paper Towns and Trap Streets Are How Mapmakers Catch Copycats by Reuben Westmaas Goblu and Beatosu, Ohio. (2017). Weird Universe. http://www.weirduniverse.net/blog/comments/goblu_and_beatosu_ohio Jacobs, F. (2014, February 12). Agloe: How a Co...

Aug 26, 202011 min

What If You Stopped Showering (w/ James Hamblin) and Are Some Trees Immortal?

Physician James Hamblin, staff writer for The Atlantic, explains what would happen if you stopped showering — and other fun facts from the emerging science of the skin microbiome. Plus: are some trees really immortal? Are some trees immortal? A new study says no by Grant Currin Despite debate, even the world’s oldest trees are not immortal. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-07/cp-dde072020.php Giaimo, C. (2020, July 27). Can Trees Live Forever? New Kindling for an ...

Aug 25, 202012 min

A Science-Backed Workout in 10 Minutes, How Collective Narcissism Makes Groups Toxic, and How Dolphins Make Friends

Learn about how you can slash your exercise time with high-intensity interval training (HIIT) — and the science that backs it up; how “collective narcissism” can make groups toxic; and how dolphins make friends strategically. HIIT Is the Science-Backed Workout That Can Slash Your Exercise Time by Ashley Hamer Burgomaster, K. A., Howarth, K. R., Phillips, S. M., Rakobowchuk, M., MacDonald, M. J., McGee, S. L., & Gibala, M. J. (2008). Similar metabolic adaptations during exercise after low vol...

Aug 24, 202012 min

Zoos Have Their Own Dating Apps, Why Grease Is Hard to Clean Off Plastic, and You Don’t Have to Be Married to Be Happy

Learn about why it’s harder to clean grease off of plastic than glass; how zoos use their own version of dating apps for breeding programs; and why science says you don’t have to be married to be happy. Why is it harder to clean grease off of plastic than glass? by Ashley Hamer (Listener question from Lili) Saig, A. (2012, May 17). Why does soap easily remove fats from metalware and glassware but not from plastic? Davidson Institute of Science Education; Weizmann Institute of Science. https://da...

Aug 21, 202012 min

Are There Really Wasps in Figs? Plus: People Like Round Numbers Even When They’re Bad

Learn about why people prefer round numbers over precise ones, thanks to a principle behavioral economists call attribute framing; and whether there really are wasps inside figs. People prefer round numbers even when the precise number is better news by Kelsey Donk Consumers Prefer Round Numbers Even When the Specific Number Is Better News. (2016). Rpi.edu. https://news.rpi.edu/content/2020/07/06/consumers-prefer-round-numbers-even-when-specific-number-better-news Jain, G., Gaeth, G. J., Nayakan...

Aug 20, 20209 min

Building Healthier Cities (w/ Dr. Aruni Bhatnagar), 3D-Printing a Nuclear Reactor Core, and Why Spaghetti Breaks in Three

Learn what environmental cardiology has taught us about how we should live, with help from Dr. Aruni Bhatnagar. Then, you’ll learn about the world’s first 3D-printed nuclear reactor core; and why spaghetti always breaks in three. Environmental cardiology resources from Dr. Aruni Bhatnagar: HealthDay. (2020). California’s Wildfires May Have Fueled Cardiac Arrests. US News & World Report; U.S. News & World Report. https://www.usnews.com/news/health-news/articles/2020-04-15/californias-wild...

Aug 19, 202012 min

How the Environment Affects Your Health (w/ Dr. Aruni Bhatnagar) and How Polynesians Mingled with Native Americans 800 Years Ago

Environmental cardiology researcher Dr. Aruni Bhatnagar explains why experts are looking at our environment to improve our health. Then, learn how Polynesians and Native Americans connected across more than 2,000 miles of ocean — all the way back in the 12th century. Environmental cardiology resources from Dr. Aruni Bhatnagar: University of Louisville Christina Lee Brown Envirome Institute https://enviromeinstitute.com/ Follow @UofLEnvirome on Twitter https://twitter.com/UofLEnvirome Pick up “En...

Aug 18, 202013 min

You Create False Memories of Daily Tasks, Dogs Can Sense Earth’s Magnetic Field, and There’s No Up or Down in Space

Learn about why you have false memories of doing daily tasks; how we know that dogs might be able to sense Earth’s magnetic field via magnetoreception; and the science behind why there’s no up or down in space. Science confirms we create false memories of doing daily tasks by Steffie Drucker Paper: Mundane behavioral decisions, actions can be “misremembered” as done. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-07/uoia-pmb071720.php Albarracin, D., Sunderrajan, A., McCulloch,...

Aug 17, 202011 min

Why the US Military Made Shark Repellant, Why Moths Are Drawn to Lights, and the Difference Between Mummies and Fossils

To wrap up our Shark Week coverage, learn about why the US military tried to develop "Shark Chaser" shark repellent during World War II. Then, learn about the leading theories explaining why moths are drawn to lights; and the difference between mummies and fossils. Get even more from Shark Week 2020 on Discovery’s Daily Bite Podcast: https://www.discovery.com/shark-week/everything-you-need-to-know-about-the-daily-bite-podcast During WWII, the US military tried to develop shark repellant by Camer...

Aug 14, 202014 min

Finding Lost Shark Species (w/ Forrest Galante) and the 2 Types of Nostalgia

Forrest Galante, host of “Extinct or Alive” on Animal Planet, helps us celebrate Shark Week by explaining how we search for — and find! — lost species in the open ocean. Then, you’ll learn about the two types of nostalgia (reflective nostalgia and restorative nostalgia) and how they can influence your well-being. Get even more from Shark Week 2020 on Discovery’s Daily Bite Podcast: https://www.discovery.com/shark-week/everything-you-need-to-know-about-the-daily-bite-podcast More from Animal Plan...

Aug 13, 202014 min

Sharks Aren’t Just Apex Predators (w/ Forrest Galante), How Cats Affect Online Dating, and When Giant Prehistoric Sea Scorpions Ruled the Seas

Forrest Galante, host of “Extinct or Alive” on Animal Planet, helps us celebrate Shark Week by explaining why sharks are so important to their ecosystems. You’ll also learn about giant prehistoric sea scorpions called Eurypterids who used to rule the sea and how cats affect online dating. More from Animal Planet’s “Extinct or Alive” and host Forrest Galante: Extinct or Alive official website — https://www.animalplanet.com/tv-shows/extinct-or-alive/ Animal Planet Go — https://www.animalplanet.com...

Aug 12, 202013 min

Can Sharks Smell Blood from a Mile Away? Plus: Dual-Uterus Sharks and How Interstellar Travel Will Change Language

Learn about whether sharks can really smell a drop of blood from a mile away; how some sharks give birth from two uteruses (and why that’s not even the weirdest part); and the complicated way interstellar travel can mess with language. Can sharks really smell a drop of blood from a mile away? by Grant Currin Shark Smell Myth Found Fishy. (2013, July 10). Inside Science. https://www.insidescience.org/news/shark-smell-myth-found-fishy Meredith, T. L., & Kajiura, S. M. (2010). Olfactory morphol...

Aug 11, 202011 min

Why People Are Afraid of Sharks, Discovery of 4 “Walking” Shark Species, and Fighting Climate Change with Rocks

To celebrate Shark Week, learn about why people are afraid of sharks; how scientists discovered four new species of “walking” sharks (also called epaulette sharks); and how enhanced rock weathering might help us fight climate change with rocks. People are afraid of sharks for 3 psychological reasons by Kelsey Donk Ipsos editor. (2015, July 7). Sharks: Half (51%) of Americans are Absolutely Terrified of Them and Many (38%) Scared to Swim in the Ocean Because of Them... Ipsos; www.ipsos.com. https...

Aug 10, 202011 min

Parents’ Brains Sync When They’re Together, the Genius Math Behind Credit Card Numbers, and July’s Curiosity Challenge Trivia

Learn about the Luhn algorithm (the genius math behind credit card numbers) and how parents’ brains synchronize when they’re together. Then, play along at home and test your podcast knowledge with this month’s Curiosity Challenge trivia game. The genius math behind credit card numbers by Cameron Duke Berry, N. (2014, January 8). How Credit Card Numbers Work. Gizmodo; Gizmodo. https://gizmodo.com/how-credit-card-numbers-work-1493331190 Concerning Reality. (2018). The Secret Algorithm in Your Cred...

Aug 07, 202011 min

Why Religious People Have More Children, Sea Turtles’ Clumsy Navigation Skills, and the Real Center of Our Solar System Isn’t the Sun

Learn the surprising reason why religious people tend to have more children; why sea turtles are actually pretty clumsy navigators; and where astronomers found the center of our solar system (spoiler alert: it’s not the center of our sun). Evolution explains why religious people have more children by Kelsey Donk New research examines links between religion and parental support from non-family members. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-07/uoo-nre070120.php Church at...

Aug 06, 202012 min

How Feeling Sick Is Colored by Culture, The Venomous Dinosaur from Jurassic Park IRL, and All the Light Ever Produced in the Universe

Learn about how culture plays a role in feeling sick; that time scientists measured all the light in the known universe; and what Jurassic Park got wrong about the Dilophosaurus, that venomous dinosaur with the frilly collar. Culture plays a role in feeling sick by Kelsey Donk Researchers study role culture plays in feeling sick. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-03/uota-rsr022720.php Shattuck, E. C., Perrotte, J. K., Daniels, C. L., Xu, X., & Sunil, T. S. (202...

Aug 05, 202014 min

You Have Tiny Rocks in Your Ears, How Artists’ Personas Influence Your Music Choices, and Chemotherapy Began as a Chemical Weapon

Learn about why you have tiny rocks in your ears; why the self-congruity effect of music says you may prefer music by artists who have a similar personality to you; and how chemotherapy began as a chemical weapon. There are tiny rocks in your ears that help you detect motion by Cameron Duke Inner Ear “Rock Slides” Lead To Vertigo. (n.d.). NPR.org. https://www.npr.org/2009/04/27/103463398/inner-ear-rock-slides-lead-to-vertigo Widmaier, E. P., Vander, A. J., Raff, H., & Strang, K. T. (2019). V...

Aug 04, 202014 min
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