CBD mania is in full swing and people are using it for just about anything, but what is this chemical in cannabis? In this week’s episode, we tell you unlikely origin story of CBD and if the science backs up the hype. We speak to Paige Figi, neuroscientist Prof. Kent Hutchison, clinical researcher Dr. Mallory Loflin, and Josh and Joel Stanley. Check out the transcript right here: http://bit.ly/2OVCfub Selected references: Mallory’s study showing most CBD products are labeled inaccurately and 1 o...
Nov 15, 2018•34 min•Season 5Ep. 12
In the final installment of our election series, we tackle immigration: the #1 concern of Americans as they head to the polls. It's been a huge focus for President Trump... and people say immigrants are stealing jobs and driving up the crime rate. But what does the research say? There have been a bunch of new studies since we published our episode on immigration, so we've updated this to reflect what's new. Check out the transcripts, with all the citations, here: http://bit.ly/2IZ6ixc Learn more...
Nov 02, 2018•38 min•Season 5Ep. 11
Recently we've been warned that climate change is scarier than ever -- and that we are to blame. Yet surveys find around half of Americans don't think climate change is caused by humans. So how does science know that? And how bad will climate change get? Science Vs has brought this episode up to date so you have the facts for next week's midterm elections. Check out the transcript with all the citations, right here: http://bit.ly/33CGgHY UPDATE 12/10/20: An earlier version of this episode incorr...
Nov 01, 2018•46 min•Season 5Ep. 10
The battle over abortion is fast becoming one of the key issues of the midterm election. And in this battle you’ll hear many things about abortion: that it’s painful for the fetus, and that late-term abortions are a huge issue. But what does the science say? If you want to read our transcript, with all the citations - check it out right here: http://bit.ly/2Bn9u1i Learn more about your ad choices. Visit podcastchoices.com/adchoices...
Oct 31, 2018•48 min•Season 5Ep. 9
After 11 people were shot and killed in a Pittsburgh synagogue over the weekend, mass shootings are back in the news. With the midterm elections happening next week, we've updated our episode on guns and are re-releasing it to give you the facts ahead of polling day. Heads up: this episode contains the sound of guns - and we’ll be discussing homicide, suicide and domestic violence. Please take care when listening to the show. If you or someone you love is struggling, there's always someone you c...
Oct 30, 2018•36 min•Season 5Ep. 8
Online dating can feel like drudgery… can science help you game the system? And do those matching algorithms actually work? To find out, we talked to psychologist Asst. Prof. Paul Eastwick, social psychologist Prof. Viren Swami, mathematician Asst. Prof. Hannah Fry, and Rose Reid. Check out the transcript right here: http://bit.ly/2E73qLH Selected references: Paul’s primer on speed dating experiments, and the Machine Learning study The study with the archaeology students on physical attractivene...
Oct 26, 2018•36 min•Season 5Ep. 7
It’s 1849, and a gruesome murder has just happened at Harvard. As body parts turn up, the science of the day is put to the ultimate test… to find out: who did it? We speak to Prof. Paul Collins, who tells us how this morbid mystery unfolds. Check out the transcript right here: http://bit.ly/2BntpNU Selected references: Paul Collins’ book, Blood And Ivy: The 1849 Murder That Scandalized Harvard The transcripts from the trial against John Webster Also check out our previous episodes on Forensic Sc...
Oct 18, 2018•35 min•Season 5Ep. 6
You’ve probably heard that gentrification changes neighborhoods for the worse: first come the hipsters and then the bankers. Soon, the neighborhood is overrun with dog spas and wine bars, and the original residents are nowhere in sight. But what does the science say? And, is there anything good about gentrification? We speak to Prof. Lance Freeman, Asst. Prof. Rachel Meltzer and Nicole Mader to find out. Check out the transcript right here: http://bit.ly/2VQJsgp UPDATE 10/23/18: An earlier versi...
Oct 11, 2018•34 min•Season 5Ep. 5
Moooove over, dairy milk: the alternative milk craze is here. But are they more than just a frothy fad? To find out which is best for the planet, we speak to environmental researcher Joseph Poore. Check out the transcript right here: http://bit.ly/2P3H6c9 Selected references: Joseph’s study which has a comparison of soy and dairy milk , and his database which includes all his raw data and references Systematic review of greenhouse gases for different foods and drinks (see table 9 for milks)Lots ...
Oct 04, 2018•12 min•Season 5Ep. 4
Do vegans have a right to be so smug? This week we find out whether it really is better for the environment, and our bodies, to go vegan. We speak to environmental researcher Joseph Poore, historian Prof. Connie Hilliard, anthropologist Prof. Katharine Milton, and nutrition researcher Prof. Roman Pawlak. Check out the transcript right here: http://bit.ly/2OeFye7 Selected references: Joseph’s study comparing 40,000 different farms Connie’s paper comparing countries that consume more or less dairy...
Sep 27, 2018•28 min•Season 5Ep. 3
Essential Oils - and their claims - are huge right now. But is it all hype, or is there something special about these little brown bottles? To get to the bottom of it, we dig through the studies and speak to cognitive neuroscientist Dr. Rachel Herz and psychologist Prof. Mark Moss. Check out the full transcript here: http://bit.ly/2PyEsKy Selected references: Rachel Herz’s books: Why You Eat What You Eat & The Scent of Desire A review of the benefits of peppermint tea and oil A critical revi...
Sep 20, 2018•27 min•Season 5Ep. 2
We’re back! This week we tackle the War on Straws and how worried we should be about all the plastic filling our oceans. We speak to marine biologist Christine Figgener, environmental educator Carrie Roble, physiology Prof. John Weinstein, and ecology Prof. David Barnes. Check out the full transcript here . Selected readings: The infamous turtle video An ambitious project that mapped the Great Pacific Garbage Patch This paper that breaks down the sources and amount of plastic getting in the ocea...
Sep 13, 2018•31 min•Season 5Ep. 1
Season Five of Science Vs will be in your ears next Thursday. This season we're covering plastic straws, essential oils, veganism, ancient aliens and a lot of other topics that have got the internet hot and bothered. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Sep 06, 2018•2 min
We'll be back in your ears with season 5 of Science Vs in the Fall... but in the meantime, new listeners, here's some episode recommendations to get you started. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Jul 17, 2018•2 min•Season 4Ep. 13
What makes a serial killer? What drives them to kill again and again? To find out the truth about this ghastly lot, we talked to forensic psychologist Prof. Eric Hickey, criminologist Ass. Prof. Wayne Petherick, and psychiatrist Prof. Gwen Adshead. Check out the full transcript here: http://bit.ly/34aoJXG Note: in this episode we discuss homicide, and sexual violence. Please take care when listening to the show, and here are some resources: National Mental Health Helpline : 1-800-662-HELP (4357)...
Jun 28, 2018•31 min•Season 4Ep. 12
Could aliens actually exist? Is there any chance they’ve visited Earth already? What really happened at Roswell? The truth... is right here. We talked to astronomers Dr. Jill Tarter, Dr. Seth Shostak, investigative journalist David Clarke, and physicist Prof. Jim Al Khalili. Check out the full transcript here: http://bit.ly/2PqOHRj Selected readings: Seth’s account of that day in 1997 The “Condon report”-- a 1968 effort to go through and identify all UFO sightings The Roswell Report This paper e...
Jun 21, 2018•38 min•Season 4Ep. 11
This week, we’re entering the Lyme Wars. We’re asking: what is Lyme disease? How do you get it? How do you know you have it? And if you get infected, are you stuck with it forever? To find out we talk to neurologist Dr John Halperin, neuropsychology researcher Dr Kathleen Bechtold, and a Lyme patient we’re calling Emily. Check out the full transcript here: http://bit.ly/2DZhQxo Selected readings: About the culprits behind Lyme Disease The best summary on how well the Lyme tests work Kathleen's s...
Jun 15, 2018•35 min•Season 4Ep. 10
This week, we’re entering the foreskin firestorm. We’re asking: what are the risks of circumcision? And are there any medical benefits? To find out we talk to pediatric urologist Andrew Freedman, HIV researcher Godfrey Kigozi, and sex researcher Caroline Pukall. Check out the full transcript here: http://bit.ly/38leLWD Selected readings: The American Academy of Pediatrics technical report, which Andrew helped write A thoughtful opinion piece from Andrew The trial in Uganda that Godfrey co-author...
May 31, 2018•32 min•Season 4Ep. 9
This week, how one of the worst ideas in science got a big push from a bad study… and intellectuals of the day lapped it up. We speak to science writer Carl Zimmer and Prof. J. David Smith, whose research helped get to the bottom of this disturbing story. UPDATE 05/25/18: This episode has been updated. A previous version said that the 'good' side of the Kallikak family included someone who had signed the Declaration of Independence. It now says that the 'good' Kallikak family member married into...
May 25, 2018•34 min•Season 4Ep. 8
We have this idea that polar bears are teetering on the brink of extinction. But the story isn’t that simple. To find out why, we talk to environmental lawyer Kassie Siegel, wildlife biologist Dr. Karyn Rode, and sea ice expert Dr. Ignatius Rigor. With a little help from Payton, a polar bear at the Memphis Zoo. Check out the full transcript here: http://bit.ly/2qv9n1t Selected readings: This map of polar bear populations around the Arctic On the Endangered Species Act and global warming Karyn’s ...
May 17, 2018•31 min•Season 4Ep. 7
This week, something different. We speak to astronaut Scott Kelly, who went up to space a man and came back a Rhesus monkey. Just kidding, that didn’t happen at all. Listen to find out the real story. PLUS: We talk to Lynn Levy, star producer of the Gimlet show The Habitat . Check out the full transcript here: http://bit.ly/2LEvaf7 Selected readings: NASA’s updated press release about Scott and Mark More information about its Twins Study A paper about what space does to your eyeballs This episod...
May 03, 2018•30 min•Season 4Ep. 6
People who love the ketogenic diet swear it boosts their brainpower, melts their fat, and makes them better athletes. Is it true? To find out, we go keto. And, we talk to some scientists: neuroscientist Dom D’Agostino, medical researcher Eric Verdin, and nutritionist Louise Bourke. Also, Wendy’s mum drops in. Check out our full transcript here: http://bit.ly/355sUF7 Selected readings: This history of the ketogenic diet A pretty comprehensive review Eric’s exploration of keto on the memories of m...
Apr 26, 2018•31 min•Season 4Ep. 5
Nine countries, including North Korea, have nuclear weapons. What would happen if a nuclear bomb was dropped-- say, in New York City? We talk to nuclear historian Dr. Alex Wellerstein, nuclear engineer Dr. Tetsuji Imanaka, and epidemiologist Dr. Eric Grant. UPDATE 04/27: We've adjusted this episode to correct the elevated risk of cancer in survivors of the Hiroshima and Nagasaki nuclear bombs. If you survived the atomic bombs your risk of cancer is 10% higher than someone who is the same age as ...
Apr 19, 2018•34 min•Season 4Ep. 4
Harvey Weinstein and Kevin Spacey are said to have it. You probably have a friend who says they have it too. But is sex addiction the refuge of scoundrels? Or is it a real psychological problem? We speak to sex therapist Dr. David Ley, clinical psychologist Dr Shane Kraus, neuroscientist Dr. Nicole Prause, and someone we call Jeff. If you are experiencing troubles related to sex, you can look for support here . Check out our f ull transcript and its beautiful thickets of footnotes: http://bit.ly...
Apr 05, 2018•33 min•Season 4Ep. 3
America’s got an opioid problem. So where do we go from here? What can actually help people struggling with opioid addiction? We speak to Dr. Anna Lembke, Dr. Marvin Seppala, and a patient we call Mischa. UPDATE 04/17: We’ve adjusted a couple of lines of script in this episode to clarify the role of religion in Alcoholics Anonymous and Narcotics Anonymous. A previous version of this episode incorrectly implied that the 12 step philosophy considers addiction a sin and a “defect of character”. If ...
Mar 29, 2018•35 min•Season 4Ep. 2
More people in the U.S. died from opioids in 2016 than the peak year of the AIDS epidemic. So how did we get here? We speak to Prof. June Dahl, pain specialist Dr. David Tauben, and emergency physician Dr. Jeanmarie Perrone. If you or someone you love is struggling with an opioid addiction, in the US you can call the Substance Abuse and Mental Health Services Administration's National Helpline: 1-800-662-HELP or visit their website . Check out our full transcript here: http://bit.ly/2Pq1bZk Cred...
Mar 23, 2018•42 min•Season 4Ep. 1
We'll be in your ears with new episodes next week - Thursday March 22nd. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Mar 16, 2018•2 min
We’ve always been told to get off the couch and stop eating junk food if you want to lose weight - but is the obesity epidemic that simple? (Spoiler alert: it’s not.) We speak to geneticist Dr Giles Yeo , exercise physiology researcher Dr Lara Dugas , gastroenterologist Dr Jessica Allegretti , nutrition researcher Dr Pablo Monsivais and Italian radio maker Jonathan Zenti, Check out Jonathan’s podcast MEAT here. Check out the full transcript here: http://bit.ly/36jtLCo Selected reading: The 2007 ...
Dec 14, 2017•35 min•Season 3Ep. 12
Can they help with back pain or anything else? We talk to chiropractor Carl Cleveland III, physical therapist Anita Gross, neurophysiologist Dr. Marcello Costa...and Kaity Sawrey’s parents. Check out our full transcript here: http://bit.ly/2P3g7NW By the way… Gimlet’s doing a holiday pop up shop selling t-shirts and stickers . So show your support by getting your very own Science Vs tee shirt! Check it out at sciencevs.show/shirt . Credits: This episode has been produced by Rose Rimler, Wendy Zu...
Dec 07, 2017•32 min•Season 3Ep. 11
Everyone’s got a myth or two about birth control they want cleared up. Like... is 'pulling out' AKA withdrawal really such a bad idea? Does the pill change your brain? Are IUDs safe? And why isn’t there a pill for men, already?! We ask gynecologist Dr. Amita Murthy, neuroendocrinologist Dr. Nicole Petersen, men’s health researcher Prof. Robert McLachlan and a whole roomful of experts on sex -- teenagers. UPDATE 05/12/17: We have updated this episode to further emphasize that the pre-cum studies ...
Nov 30, 2017•34 min•Season 3Ep. 10
