22:40
The SciFri Book Club Talks ‘Oryx and Crake’
What can Margaret Atwood’s dystopia tell us about the here-and-now?
15:52
A Hand, a Fin, a Gene
What a fish and a rare amphibian can tell us about how limbs develop, grow, and even re-grow.
The Axolotl: A Cut Above the Rest
The axolotl is a Mexican salamander with an incredible ability: Cut its leg off, and the limb will grow right back!
00:12:02
Our Bodies May Fight Infection Better by Day
Mice appear to be more susceptible to viral infection during their sleep cycle, suggesting that circadian rhythms can affect our immune systems.
4:01
What Will More Research-Grade Marijuana Mean for Medical Studies?
The Drug Enforcement Administration has expanded the number of marijuana manufacturers that can grow and provide the drug to medical researchers.
The Agony And Ecstasy Of Capsaicin
Marco Tizzano explains how capsaicin creates a chemical cascade inside your body and why emotions might make chili lovers think they can handle the heat.
7:49
The ‘World Champion of Doping,’ Rio Record-Breaking, and More
Reporter Maggie Koerth-Baker talks about the East German heavyweight lifter Gerd Bon, and why marathoners won’t break records in Rio.
The Microbes We Share
Science writer Ed Yong describes the diverse ways that scientists and citizen scientists are studying our microbiomes.
16:51
Is a Healthier English Bulldog Possible?
If breeding is to save the debilitated bulldog, more genetic diversity is probably necessary. But is there enough?
7:17
A Health Check-Up for Dolly’s ‘Sister Clones’
Four sheep cloned from the same cell line as Dolly got a health check-up and showed no physical signs of premature aging.