Bird Play & Tools
Birds, like humans infants, learn about the world around them through play.
Spider Webs
A listener asks: Can spiders get caught in the webs of other spiders?
Sooty Birds
Soot on museum bird feathers provide an accurate record of air pollution in 19th and 20th century …
Drug Prices & Nocebos
Can a drug’s price tag influence its side effects?
Exercise and Depression
A small amount of weekly exercise may help prevent depression.
Economics of Climate Change
A new report stresses the need for a practical response to climate change.
Pumpkin Toadlet Hearing
Tiny orange frogs called pumpkin toadlets can’t hear their own calls.
Tsunami Rafts
Japan’s 2011 tsunami carried hundreds of tiny species to the west coast of the United States by on …