Turkey and Immunity
Tryptophan is a chemical found in turkey. Seinfeld mocked it for making people sleepy, but science …
Moon Base
Experts and citizens are debating whether it's worth it to return to the moon. One group says we …
Sound Laser
One listener asks: Can sound be directed into a beam, like a laser? The answer might surprise you.
Frog Chorus
We can often recognize people we know by the sounds of their voices. One researcher visited a pond …
Feline Roundup
Cats can have asthma and allergies, too--and you might be helping to trigger your cat's condition.
Spider Webs
Each species of spider weaves its own signature web. Science Update answers this listener's question …
Phantom Pain
Science reporter Bob Hirshon tells us about new insights into a mysterious affliction of patients …
Pigeons and Bird Flu
One listener asks: When it comes to bird flu, should we worry about pigeons?
Smoking and IQ
It is well known that smoking cigarettes is bad for your lungs and your heart. Now new research …
Fungus Roundup
Fungus seems to have something of a Jekyll-and-Hyde personality--sometimes good, sometimes bad.
Fish and Flowers
Fish populations worldwide have been decreasing. New research shows that this may have an unexpected …
Flu Mutations
A new study explains why the flu vaccine can sometimes become less effective as the season wears on.