Science Vs

Fasting diets are all the rage right now and health-fluencers claim it can help you lose weight, live longer and even fight cancer. So what does the science say? We speak to nutrition researchers Dr Krista Varady and Dr Courtney Peterson, as well as cancer researcher Professor Valter Longo. Check out the full transcript here: http://bit.ly/35FYJoP Selected references: Krista’s study comparing alternate day fasting with regular dieting, which found they had similar weight loss after one year.Courtney’s study which measured metabolic changes after time-restricted feeding without weight loss.Valter’s paper summarizing the studies in fasting and cancer.  Credits:This episode was produced by our senior producer Kaitlyn Sawrey and Wendy Zukerman with help from Michelle Dang, Rose Rimler, and Meryl Horn. We’re edited by Blythe Terrell, with extra editing help from Caitlin Kenney and Annie-Rose Strasser. Fact checking by Eva Dasher and Michelle Dang. Mix and sound design by Peter Leonard. Music by Peter Leonard, Emm

During a golden age for scientific progress, a group of scientists were given free rein to do whatever they wanted to their human lab rats. We got new drugs, and learnt exciting new things. But some researchers took it too far... And what seemed like a scientific fantasy turned into one of the largest American science scandals. Check out the full transcript here: http://bit.ly/2MLBX6u Selected references: The 1976 report from the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research Allen Hornblum’s book Acres of Skin (1998)2007 report from the Institute of Medicine Committee on Ethical Considerations for Research The Experimental Scurvy in Man 1969 study  Credits: This episode was produced by Wendy Zukerman with help from Rose Rimler, Meryl Horn and Michelle Dang. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell and Caitlin Kenney. Fact checking by Michelle Harris and Michelle Dang. Mix and sound design by Peter Leonard. Music by Peter Leonard, E

For decades we’ve been told that having a glass or two of wine is good for you. But recently there’ve been reports that even a little bit of booze is bad for you. So what is going on? Is just a bit of alcohol dangerous? To find out we talk to epidemiologist and nutritionist Prof. Eric Rimm, psychologist Prof. Tim Stockwell, and cancer researcher Dr. Susan Gapstur. Check out the full transcript here: http://bit.ly/31p8pk5 Selected references: Eric’s study of drinking and heart attacks in over 40,000 men Tim and Kaye’s meta-analysis critiquing the heart benefit hypothesisMeta-analysis showing the increased risk of cancer and other diseases from drinking different amounts Credits:  This episode was produced by Meryl Horn with help from Wendy Zukerman as well as Rose Rimler and Michelle Dang. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell. Editing help from Caitlin Kenney. Fact checking by Michelle Harris and Michelle Dang. Mix and sound design by Peter Leonard. Music by Peter Leonard, Emma

Season 6 is on it's way, fellow nerds! Learn more about your ad choices. Visit podcastchoices.com/adchoices

A dead body turns up with a stolen identity. This week, we tell the story of how a grandmother tracked down the truth — and helped create a whole new and controversial world of crime fighting. To tell this story, we talk to U.S. Marshal Peter Elliott, Dr. Margaret Press, and Phil Nichols. Check out the transcript here; http://bit.ly/33CNj3i Note: in this episode we discuss suicide and homicide. Please take care when listening to the show, and here are some resources: National Mental Health Helpline: 1-800-662-HELP (4357). National Suicide Prevention Lifeline 1-800-273-8255National Hotline for Crime Victims 1-855-4-VICTIM (1-855-484-2846)  Selected references: Press Conference revealing Joseph Newton Chandler's true identity [SPOILER ALERT]Margaret Press’ DNA Doe ProjectCredits: This episode was produced by Rose Rimler and our senior producer, Kaitlyn Sawrey with help from Wendy Zukerman as well as Meryl Horn and Odelia Rubin. We’re edited by Blythe Terrell. Editing help from Alex Blumberg and Caitlin Kenney. 

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 gender identity clinic grow up to be trans. The episode has been updated accordingly. We've explained the change in detail in the transcript. UPDATE 1/17/19: An earlier version of this episode implied that all people who are intersex are born with indeterminate genitalia. This is incorrect and the episode has been updated. Selected references:  A paper from the 70s about shock therapy A review of the science behind the trans kids debateBest Practice Standards of Care for Trans PeopleRebecca’s podcast Trans Specific Partne

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 line, as it was Galileo's electrical systems, not the propulsion system, which ran on nuclear power. Selected references: The original Sum of All Parts episode about Phoenix and Electron Suelette’s book, written with the help of Julian Assange, about the early Australian hacking movement, UndergroundAn in-depth reference on Hacktivism Thanks to our sponsor, Cole Haan. You can hear more of Wendy and other Gimlet hosts in conversation at ExtraordinariesOnTheMic.com, produced in partnership with Cole Haan. Credits: Orig

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...with diagrams! Mark’s book about pyramid building-- along with this book and this one, too. David’s book about pseudoarchaeology. Credits: This episode was produced by Rose Rimler with help from Wendy Zukerman, along with Meryl Horn and Odelia Rubin. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. A huge thanks to the team at the Museum of Fine Arts in Boston, as well as Professor Pierre Tall

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, really, really short workouts Credits: This episode was produced by Rose Rimler with help from Wendy Zukerman, along with Meryl Horn and Odelia Rubin. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music written by Emma Munger and Bobby Lord. Recording assistance from Jack McDonnell. For this episode we also spoke to Martin Gibala, Chris Jordan, Kathryn Weston, Dan Schmidt, and others. Thank you so much for your help. Learn

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 out of 5 has some THCReview discussing all the possible things CBD is binding to in the brainNational Academy of Sciences report on cannabis and cannabinoids Clinical trial showing CBD reduces seizures for treatment-resistant epilepsy  Credits: This episode was produced by Kaitlyn Sawrey with help from Wendy Zukerman, along with Rose Rimler, Meryl Horn and Odelia Rubin. We’re edited by Blythe Terrell, with help from Caitlin Kenny. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music by Emma Mung

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 about your ad choices. Visit podcastchoices.com/adchoices

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 incorrectly said that Svante Arrhenius came up with the idea that rising carbon dioxide levels could warm the planet. Scientists including Eunice Newton Foote had this idea before Arrhenius. The episode has been updated. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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

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 can call at the National Suicide Prevention Lifeline: 1 800-273-8255. Check out the transcript, with all the citations, here: http://bit.ly/32qXmZ4 Learn more about your ad choices. Visit podcastchoices.com/adchoices

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 attractivenessHannah’s book, which includes more detailed Optimal Stopping Theory mathsA thorough review paper on online dating Credits: This episode was produced by Odelia Rubin, with help from Wendy Zukerman along with Rose Rimler, and Meryl Horn. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell. Fact checking by Michelle Harris, Meryl Horn and Rose Rimler. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. A huge thanks to all the researchers we got in touch with for this episode - inc

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 Science and DNA and the Smell of Death. Credits: This episode was produced by Kaitlyn Sawrey with help from Wendy Zukerman, along with Rose Rimler, Meryl Horn and Odelia Rubin. We’re edited by Blythe Terrell, with help from Caitlin Kenny. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. A huge thanks to Jessica Murphy and the team at the Harvard University Archives, plus Lars Trembly and Matthew Nelson, Frank Lopez, Joseph Lavelle Wilson and the Zukerman Family.

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 version of this episode misstated number of calls in our 311 analysis as "over 900,000." While the analysis started with over 900,000 calls, the number of calls over 6 years was a bit over 600,000. We've updated the episode to reflect that. Selected references: Lance’s study on displacement in gentrifying neighborhoodsRachel’s studies on jobs and businesses in gentrifying neighborhoods Nicole’s study on what’s happening with public schools with gentrification This study by NYU’s Furman study which has all sorts of stats on

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 of studies here on the water footprint of different crops and animal productsA report comparing the environmental impacts of almond, oat, rice, soy and dairy milksCredits: This episode was produced by Meryl Horn with help from Wendy Zukerman, along with Rose Rimler and Odelia Rubin. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. For this episode we also spoke to Adrian Williams, Niels Jungb

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 big review of calcium intake and fracture riskThis report on the influence of the dairy industryKatie’s paper on the evolution of meat-eatingRoman’s work rounding up studies on a vitamin deficiency Credits: This episode was produced by Rose Rimler with help from Wendy Zukerman, along with Meryl Horn and Odelia Rubin. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell and Caitlin Kenney. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. Record

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 the clinical trials Mark’s two studies showing that rosemary can enhance memoryThe experiment where lavender had different effects depending on what the people expected it to do  Credits: This episode was produced by Meryl Horn, with help from Wendy Zukerman, Rose Rimler and Odelia Rubin. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell and Caitlin Kenney. Fact checking by Michelle Harris and Rose Rimler. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. A huge thanks to al