New Elements
In high school chemistry, everybody learns about the periodic table of the elements. Many of them …
Why Is It?
Begging Birds
Science reporter Bob Hirshon answers one listener's question about the challenges of avian …
Sound Laser
One listener asks: Can sound be directed into a beam, like a laser? The answer might surprise you.
Spider Webs
Each species of spider weaves its own signature web. Science Update answers this listener's question …
Pigeons and Bird Flu
One listener asks: When it comes to bird flu, should we worry about pigeons?
Bleach Crystals
What's left when bleach evaporates? A listener asked, and science reporter Bob Hirshon has the …
Laughing Animals
Have you ever felt like your dog was lauging at you? Well, you may not be far off.
Cocaine and Cigarettes
One listener asks: What do two very different drugs have in common?
Headache Weather
Rainy days leave some people feeling blue, but can they actually cause headaches?
Cowardly Mosquitoes
When is a mosquito not a bloodsucker? Science reporter Bob Hirshon has the answer.
Spitting Flies
Flies seem to like to eat the same things we do, but they have a very different method.
Fuel-Saving Speed
With prices at the pump so high, one listener wants to know whether driving slower saves gas--and …