Frog Chorus
We can often recognize people we know by the sounds of their voices. One researcher visited a pond at night to find out whether frogs can, too.
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 about a web pattern that seems to be missing …
Phantom Pain
Science reporter Bob Hirshon tells us about new insights into a mysterious affliction of patients with spinal injuries.
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 suggests it may also be bad for your brain.
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 effect on flowers.
Flu Mutations
A new study explains why the flu vaccine can sometimes become less effective as the season wears on.
Bleach Crystals
What's left when bleach evaporates? A listener asked, and science reporter Bob Hirshon has the answer.
Manatee Refugees
Science reporter Bob Hirshon talks about an emerging threat to the endangered manatee.
Cancer Roundup
Science reporter Bob Hirshon reports on two new research efforts that are trying to kill cancer cells while leaving healthy cells alone.
Liars’ Brains
A difference in the brains of pathological liars may be the cause of their strange behavior.
Sports Rankings
Some mathematicians think the college football rankings could use a little tweaking.
Laughing Animals
Have you ever felt like your dog was lauging at you? Well, you may not be far off.
Counting Parrot
Birdbrain is a common insult. But one parrot is proving that birds may be more intelligent than we suppose.
Cocaine and Cigarettes
One listener asks: What do two very different drugs have in common?
Carpet Cleaning
Science reporter Bob Hirshon reports on a new space spin-off that's helping to keep your carpets clean.
Headache Weather
Rainy days leave some people feeling blue, but can they actually cause headaches?
Leaf Chemical
The trees are starting to put on their spectacular autumn show. Why and how do they do it?
Cowardly Mosquitoes
When is a mosquito not a bloodsucker? Science reporter Bob Hirshon has the answer.
Lefty Cancer Risk
A new study found that lefthanded women are more than twice as likely to develop breast cancer before menopause. But should they worry?