December 6, 2013
A listener asks why some trees live for thousands of years.
December 5, 2013
Reviving Extinct Species
Using frozen DNA, researchers have created early-stage embryos of an extinct frog.
December 4, 2013
Metal in Microwaves
If metal isn’t supposed to go in microwave ovens, why do some of them have metal racks?
December 3, 2013
3-D Underwater Microscope
Scientists are testing a new 3-D underwater microscope to study tiny marine predators.
December 2, 2013
A listener asks if he can reinfect himself with the same cold.
November 15, 2013
YOUNG BRAINS - Just how long does the teenage brain take to mature? How teenagers with autism see things differently. And, scientists reverse autistic-like symptoms in adolescent mice. Also: can you put barcodes on brain cells? And, what casino rats can tell us about gambling addiction.