While dinosaurs roamed the earth, giant monsters roamed the sea. Mosasaurs were like the deadly T-rexes of the ocean: They grew up to the size of a bus and chased down their smaller prey. A recent study in the journal Current Biology details just how exactly they might have done that. And the answer is fast – way faster than humans can swim – and sneakily.Interested in more animal or paleontological news? Email us what you want us to talk about at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

In 2022, parachutist Luigi Cani dropped 100 million seeds over the Amazon rainforest while skydiving. He did it to raise awareness about deforestation and help regrow the forest. But there has been little scientific follow up to see whether it worked. So, today, we talk to restoration ecologist Pedro Brancalion about the surprising complexity involved in regrowing a forest, and when dropping seeds from the sky – by people or by drones – could work.If you liked this episode, check out our others on building microforests in cities and scientists’ creative idea to save a keystone tree species that grows very slowly.Interested in more tree science? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

Police departments across the U.S. are installing Flock cameras, saying the surveillance devices help deter theft and solve crimes, like helping find stolen property and missing people. But as the technology and its use by federal agencies expands, a handful of people have taken matters into their own hands. A hacker collective ripped down a Flock camera and made a copy of the software inside for investigative journalists at 404 Media and Wired. We talk to one of those journalists, Joseph Cox, about what he and his colleagues found, how the data is being used, why some residents are pushing back against the cameras and the future of the technology.Interested in more science and technology news? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

It's Halloween season — and what better way to celebrate October 13th than to explore the haunting sound of fear? That's exactly what we do in this episode, where host Regina G. Barber and NPR science correspondent Nate Rott dive into the science behind the sound of fear. Along the way, they find out what marmot shrieks, baby cries and horror movie soundtracks have in common — and what all of this tells us about ourselves.Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org.See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

ADHD diagnoses are on the rise in the United States, but what if professionals are missing a key part of the disorder? In the 1970s, some clinicians recognized a lot of their ADHD patients had trouble with emotional regulation. But because it was easier to measure behavior rather than emotions, the criteria eventually fell off the radar. Today in the U.S., emotional dysregulation is not a part of the ADHD diagnostic criteria in the Diagnostic and Statistical Manual of Mental Disorders (DSM). Dr. Sasha Hamdani thinks that needs to change. In today’s episode, she talks about her book Too Sensitive, and explains what is going on in the brains of people with Rejection Sensitive Dysphoria. Interested in more mental health science? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. Wender, P. H. (1971). Minimal Brain Dysfunction in Children. Wiley-Interscience. https://pubmed.ncbi.nlm.nih.gov/4581984/ Barkley, R. A. (2015). Emotional dysregulation is a core component of ADHD. In R. A. Barkley (Ed.), Attention-Deficit Hyperactivity Disorder: A Handbook for Diagnosis and Treatment (4th ed., pp. 81–115). Guilford Press. https://www.guilford.com/excerpts/barkley2.pdf?t=1 Shaw, P., Stringaris, A., Nigg, J., & Leibenluft, E. (2014). Emotion dysregulation in attention deficit hyperactivity disorder. American Journal of Psychiatry, 171(3), 276–293. https://doi.org/10.1176/appi.ajp.2013.13070966Faraone, S. V., et al. (2019). Emotional dysregulation in adults with attention deficit hyperactivity disorder: Validity, aetiology, and clinical implications. Neuroscience & Biobehavioral Reviews, 107, 132–142.https://doi.org/10.1016/j.neubiorev.2019.08.021Bondü, R., & Esser, G. (2015). Justice and rejection sensitivity in children and adolescents with ADHD symptoms. European Child & Adolescent Psychiatry, 24(2), 185–198.https://doi.org/10.1007/s00787-014-0560-9Cleveland Clinic. (2022). Rejection Sensitive Dysphoria (RSD): Symptoms & Treatment. Cleveland Clinic Health Library. https://my.clevelandclinic.org/health/diseases/24099-rejection-sensitive-dysphoria-rsdSee pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

You might have seen the news that Christa Pike, a convicted murderer in Tennessee, did not die from the injections given to her as part of her death penalty sentence last week. After her failed execution, she was hospitalized, where she continues to receive critical medical care, according to her attorneys. Her survival is singular, but her mishandled execution is not. A review of executions carried out between 1890 and 2010 indicated that three out of every hundred executions were botched – and that lethal injection executions, which began in 1982, have a more frequent incidence of complications than any other method. All of this has re-raised the question of how humane lethal injections are as a form of execution. So, today on the show, we speak to anesthesiologist Gail Van Norman, a medical expert who testified about Christa’s case and many other lethal injection executions. She told us how she and other experts predicted much of how Christa's execution would unfold.Read a perspective piece from one of the seven media witnesses to last week's failed execution.Interested in more science and criminal justice stories? Email us your question at [email protected].   Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org.See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

We’re all aware – and wary – of doomscrolling. Lots of screen time can be bad for us. But what if that’s not always the case? We spoke with the author of a study that found a positive relationship between screen time and brain development in young people. This episode, we sort through what to actually worry about when it comes to screen time – and what guidelines already exist that can empower you and the kids in your life.Interested in learning more about how screen time affects your brain? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

We’re easing you into Halloween season with an episode about bats. There’s a silent serial killer decimating little brown bats as they hibernate. White nose syndrome has driven populations across the U.S. to almost the brink of extinction over the last decade. But recently, conservation biologist Giorgia Auteri and her team noticed several genetic mutations in the survivors. These mutations could explain how natural selection has shifted the existing population – and inform conservation efforts in the future.Interested in more animal science? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

Being more social has a ton of benefits: lower stress, decreased inflammation – even living a longer life! Recently, some scientists have added lowering your blood sugar to the list. To figure it out, researchers had people break bread both in duos and alone. And they think the results could tell us something about the roots of our social nature. Consider it another reason to prioritize our social lives. Interested in more science in the news? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

If you, like us, clicked on the cute cat photos posted everywhere recently, announcing the discovery of the first new cat species in more than a century, you might have wondered how rare it is to find a new species. Turns out, it’s not! We live in an era of “unprecedented” discovery, says John Wiens, a professor of ecology and evolutionary biology at the University of Arizona. And scientists say we’re still just scratching at the surface of how much life exists on Earth.   Interested in more science in the news? Email us your question at [email protected] public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org.See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy