Listen to this episode:
Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Dr. Kate Naughton
Calcium absorption not the cause of evolution of milk digestion in Europeans
Can Moths Explain Why Sloths Poo On the Ground?
China cloning on an ‘industrial scale’
The $1,000 Genome Arrives — For Real, This Time
My Risk-Benefit Ratio For Personal Genetics

Three-toed-sloth, picture taken in the Cahuita National Park in the southeast of Costa Rica.
Image: Christian Mehlführer / Wikimedia Commons
Kate Naughton is a geneticist and marine biologist.
Download here. Duration: [0:43:08]