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 …
DNA Repair
People get skin cancer from sitting out in the sun all day. So why don't plants?
Med Reminder
Memory prompters prove useful in reminding HIV patients to take their medications.
Smart Bug Roundup
An Amazonian ant's strange behavior has made people think that demons are at work. Now scientists …
Spitting Flies
Flies seem to like to eat the same things we do, but they have a very different method.
Canary Database
A new Web site is trying to save lives by bridging the gap between physicians and veterinarians.