Sun Glints
Brief glints of light reflected from distant planets may reveal the presence of liquid water or ice.
Science Update
Podcast
ANIMALS: DNA analysis confirms virgin birth in sharks, bonobos are forever young, elephant genes …
Value of Most
English speakers agree on a surprisingly narrow numerical value for the word "most."
Alzheimers Eye
An eye test could oneday screen for Alzheimer's disease early on.
Podcast
Sleeping birds, sperm wars, looking for water on distant planets, and the value of "most".
Eating When Full
If you find yourself reaching for dessert when you're already full, the hormone ghrelin may be …
Writing the Brain
Scientists have pinpointed the brain region responsible for efficient reading, writing and spelling.
Mountaintop Removal Mining
Mountaintop removal mining has long-term consequences for the environment and human health.
Disappointing Ginkgo
Researchers report that ginkgo biloba is ineffective against cognitive decline in older adults.
Podcast
MEDICINE: Alzheimer's in the eye, artificial red blood cells, and a microbial Achilles' heel. Also: …