Episode (200)
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Griefbots Offer AI Connections with Deceased Loved Ones
Apr 30, 2025Griefbots, artificial intelligence chatbots that mimic deceased loved ones, are increasingly in popularity. Researcher Katarzyna Nowaczyk-Basińska reflects on what death, grief and immortality look li...
Scientific American in 1925: Solar Eclipses, Seances and Some Strange Inventions
Apr 28, 2025We’re taking a break from our usual weekly news roundup to do a little time travel. In 1925 Scientific American covered a total solar eclipse that featured some surprising solar shadow play and a pred...
How to Become an Urban Naturalist
Apr 25, 2025Wild NYC author Ryan Mandelbaum takes host Rachel Feltman through New York City’s Prospect Park to find urban wildlife. They explore the city’s many birds, surprising salamanders and unexpected urban ...
Our Fear and Fascination around Snakes
Apr 23, 2025When writer Stephen S. Hall was a child, he would capture snakes—much to his mother’s chagrin. Now the science journalist is returning to his early fascination In his latest book, Slither: How Nature’...
Childhood Illnesses Surge, Magnetic Poles Wandered, and a Colossal Squid Is Found
Apr 21, 2025Measles cases are going up—and a federal scientist has warned that case counts have probably been underreported. Another vaccine-preventable illness, whooping cough, sees a troubling increase in cases...
From the Internet’s Beginnings to Our Understanding of Consciousness, This Editor Has Seen It All
Apr 18, 2025Senior mind and brain editor Gary Stix has covered the breadth of science and technology over the past 35 years at Scientific American. He joins host Rachel Feltman to take us through the rise of the ...
A Disinfectant That’s More Powerful Than Bleach—And Safe for Your Skin
Apr 16, 2025Hypochlorous acid is a promising disinfectant that is difficult to commercialize because it is not very shelf-stable. Senior features editor Jen Schwartz takes us through what the science of this nont...
A Long Day on Uranus, a Better Method of Making Coffee and Dinos Fossils in Decline
Apr 14, 2025Caffeine-motivated researchers find that pour height may be the key to a perfect cup of coffee. A new study of plastics finds that less than 10 percent of such products are made with recycled material...
How Are Prenatal Blood Tests Detecting Cancer?
Apr 11, 2025Noninvasive prenatal blood testing, or NIPT, is a routine screening that is offered during pregnancy and looks for placental DNA to diagnose chromosomal disorders in a fetus. But in some cases, these ...
Treating Bacterial Vaginosis as an STI Could Improve Outcomes
Apr 09, 2025Bacterial vaginosis (BV), an overgrowth of pathogenic bacteria in the vagina, affects nearly one in three people with a vagina. While you can get BV without ever having sex, a new study has found that...