Recently we’ve been hearing a lot about transgender identity. That made us wonder… what makes us the gender that we are? And what should you do if your kid doesn’t fit the mold? To find out, we talked with endocrinologist Dr. Joshua Safer, psychologist Dr. Laura Edwards-Leeper, and psychologist Dr. Colt Keo-Meier. Check out the transcript: http://bit.ly/31k0oNk UPDATE 3/29/19 : An earlier version of this episode misinterpreted a study regarding the question of how many children who visited a gen...
Dec 13, 2018•41 min•Ep 16•Transcript available on Metacast Before WikiLeaks, there was the Wank Worm. In this week’s episode, we tell you the story of how Australian hackers infiltrated NASA, just months after the country was hooked up to the internet in 1989. Joel Werner, host of Sum of All Parts, helps us tell this story, along with cybersecurity researcher Dr. Suelette Dreyfus. Check out the transcript here: http://bit.ly/35EkMw5 UPDATE 12/07/18: An earlier version of this episode stated that Galileo's engines ran on nuclear power. We've removed this...
Dec 06, 2018•33 min•Ep 15•Transcript available on Metacast Is it possible that the pyramids were built with a helping hand... from aliens? If not, how on Earth did the Egyptians built them without modern technology? To get to the bottom of this, we speak to author Erich von Däniken, paleoanthropologist Dr. Shelby Putt, Egyptologist Dr. Mark Lehner, and archaeologist Prof. David S. Anderson. Check out the transcript here: http://bit.ly/2P6tvl9 Selected references: This paper about the evolution of intelligence. Mark’s article about the canal system...wit...
Nov 29, 2018•34 min•Ep 14•Transcript available on Metacast The 7 Minute Workout is all the rage, but can working out for just 7 minutes really do anything? To figure out whether this fitness trend is a load of crock, we speak to exercise scientist Prof. Jeff Coombes. Plus, Wendy gives it a go. Check out the transcript right here: http://bit.ly/32qS7IO Selected references: The original 7 minute workout Jeff’s review paper on short intense workouts and weight lossOther reviews about heart health, diabetes, and fitness in healthy peopleThe study on really,...
Nov 21, 2018•11 min•Ep 13•Transcript available on Metacast 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•37 min•Ep 12•Transcript available on Metacast 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•41 min•Ep 11•Transcript available on Metacast 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•49 min•Ep 10•Transcript available on Metacast 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•Ep 9•Transcript available on Metacast 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•Ep 8•Transcript available on Metacast 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 studyThe study with the archaeology students on physical attractivenes...
Oct 26, 2018•39 min•Ep 7•Transcript available on Metacast 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•38 min•Ep 6•Transcript available on Metacast 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•36 min•Ep 5•Transcript available on Metacast 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 o...
Oct 04, 2018•12 min•Ep 4•Transcript available on Metacast 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 farmsConnie’s paper comparing countries that consume more or less dairyA...
Sep 27, 2018•31 min•Ep 3•Transcript available on Metacast 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 DesireA review of the benefits of peppermint tea and oil A critical review of...
Sep 20, 2018•30 min•Ep 2•Transcript available on Metacast 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 videoAn ambitious project that mapped the Great Pacific Garbage PatchThis paper that breaks down the sources and amount of plastic getting in the ocean J...
Sep 13, 2018•33 min•Ep 1•Transcript available on Metacast 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•Transcript available on Metacast 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•Ep 13•Transcript available on Metacast 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•33 min•Ep 12•Transcript available on Metacast 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 1997The “Condon report”-- a 1968 effort to go through and identify all UFO sightingsThe Roswell ReportThis paper esti...
Jun 21, 2018•40 min•Ep 11•Transcript available on Metacast 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 workKathleen's st...
Jun 15, 2018•38 min•Ep 10•Transcript available on Metacast 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 writeA thoughtful opinion piece from AndrewThe trial in Uganda that Godfrey co-authored...
May 31, 2018•35 min•Ep 9•Transcript available on Metacast 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•37 min•Ep 8•Transcript available on Metacast 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 ArcticOn the Endangered Species Act and global warmingKaryn’s ta...
May 17, 2018•34 min•Ep 7•Transcript available on Metacast 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 MarkMore information about its Twins StudyA paper about what space does to your eyeballs This episode ha...
May 03, 2018•33 min•Ep 6•Transcript available on Metacast 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 dietA pretty comprehensive reviewEric’s exploration of keto on the memories of mice...
Apr 26, 2018•34 min•Ep 5•Transcript available on Metacast 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•37 min•Ep 4•Transcript available on Metacast 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 full transcript and its beautiful thickets of footnotes: http://bit.ly/2...
Apr 05, 2018•36 min•Ep 3•Transcript available on Metacast 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•38 min•Ep 2•Transcript available on Metacast 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 Credi...
Mar 23, 2018•45 min•Ep 1•Transcript available on Metacast