Mosquito Repellent
The insect repellent DEET doesn't repel mosquitoes so much as confuse them.
Snakes vs. Newts
Eating a toxic newt could kill a human, so why can some hungry snakes get away with it?
Podcast
ENERGY NEWS: Electricity from bacteria, people power, thermoelectricity and what the sun is made of.
Encyclopedia of Life
A new, comprehensive repository of scientific information for all life on earth comes to the web.
Root Navigation
Researchers discover just how plant roots find their way around obstacles to get to nutrients and water.
Podcast
Archaeologists dig deep, the mystery of Maya Blue, where your hair has been, and more.
Pushing Atoms
Scientists have determined how much force it takes to move a single atom.
Lost City Vent
An unusual deep-sea vent may have churned out the first seeds of life.
Podcast
What happened to our vitamin C, new insights into childhood leukemia, and why artificial sweeteners make rats fat.
Podcast
AAAS 2008 ANNUAL MEETING SPECIAL: Sand spiders use elaborate camouflage, a new interactive map tracks threats to the oceans, and four healthful habits of long-lived people.
Podcast
Geology Special: glowing diamonds, intermittent plate tectonics and preventing a helium shortage.
Conserving Helium
Global helium resources are dwindling, and there'll be no substitute if we run out.
Parasitic Butterflies
Butterflies use chemical signals to fool ants into raising their young.
Podcast
Brain Pathways: Why we shiver, blind people who still sense light, and brain chemicals and intelligence.
Behind Shivering
Shivering is triggered through a separate pathway from conscious cold perception, according to new research.
Podcast
Genes and the Brain: What mice can tell us about cocaine addiction and our ability to tell hot from cold. Plus: could a gene contribute to poor judgment?
Cocaine-resistant Mice
Mice lacking a single receptor in the brain don't become dependent on cocaine.
Learning from Mistakes
A genetic variation may impair one's ability to avoid dangerous choices.