17:37
How Do We Study Ancient Americans?
Anthropologists use genetic information and found artifacts to piece together how the first Americans populated the continent.
34:56
A Farewell To Cassini, Our Friend At Saturn
In 13 years, the orbiter showed us lakes on Titan, geysers on Enceladus, and a new understanding of all things Saturn.
Shedding Light On The New Zealand Glow Worm
Biochemists Miriam Sharpe and Kurt Krause hope to discover the molecular basis for the New Zealand glow worm’s bioluminescence.
Hr2: Tongue Muscles, Jill Tarter, Aging Aircraft
Astronomer and SETI co-founder Jill Tarter reflects on her career as an alien hunter. Plus, simple exercise seems to be an effective way to keep the tongue muscles toned, and a look under the skin of aging aircraft.
Hr1: News Roundup, Big Chicken, Black-Footed Ferrets
In her new book Big Chicken, journalist Maryn McKenna uncovers how the overuse of antibiotics created the current chicken industry. Plus, on the western prairies, black footed ferrets face an invasive plague, limited food, and the work of staying alive.
12:18
Bad Plumbing? There Goes The Empire
Researchers say lead pipes of ancient Rome tell the story of the city’s rise and fall.
17:19
How Antibiotics Beefed Up The Chicken Industry
In her new book ‘Big Chicken,’ journalist Maryn McKenna uncovers how the overuse of antibiotics created the current chicken industry.
16:22
How The West Will Be Won (For The Black-Footed Ferret)
In the western prairies, the bandit-masked predator faces an invasive plague, limited food, and the work of staying alive.
12:00
When Your Tongue Needs A Tuneup
The tongue weakens as we age, which can result in more frequent choking during eating. But simple exercise seems to be an effective way to keep the tongue muscles toned.
17:05
Jill Tarter Is Still Searching For A Sign Of Life
Astronomer and SETI co-founder Jill Tarter reflects on her career as an alien hunter.