featured segment
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.
Heard on the Air
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.
16:19
Peeking Under The Skin Of Aging Aircraft
A lab disassembles aging aircraft piece by piece to look for signs of cracks, corrosion, and metal fatigue.