News
- Earth
Northern Refuge: White spruce survived last ice age in Alaska
Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.
By Sid Perkins - Earth
What’s New in the Water? Survey tallies emerging disinfection by-products
By analyzing drinking-water samples from U.S. treatment plants, a multi-institute research team has identified some unexpected by-products of disinfection processes.
- Planetary Science
Titan’s Lakes: Evidence of liquid on Saturn’s largest moon
New radar images strongly suggest that Saturn's giant moon Titan contains lakes of liquid hydrocarbons, marking the first time that researchers have found compelling evidence for bodies of liquid on the surface of any object beyond Earth.
By Ron Cowen -
Virtual reality for earthquake fears
Using virtual reality technology to train children on how to cope with an earthquake helped reduce panic and evacuation performance during a later, real quake.
By Janet Raloff - Tech
Tapping out a TAI-CHI tune
A new system permits people to make a keyboard and more out of a tabletop or any other hard surface.
By Janet Raloff -
Social jet lag: Need a smoke?
People who persistently fight their biological clocks by rising early or going to bed late are more likely to become smokers.
By Janet Raloff - Health & Medicine
Drug rescues cells that age too fast
A new drug shows promise toward correcting the accelerated cellular aging typical of Werner syndrome.
By Janet Raloff - Planetary Science
Close look confirms two eyes on Venus
A spacecraft that recently arrived at Venus has confirmed that the atmosphere above the planet's south pole harbors an unusual storm feature; a giant, double vortex.
By Ron Cowen - Humans
Named medical trials garner extra attention
Naming a medical trial with an acronym increases the frequency with which other researchers subsequently cite the study.
By Ben Harder - Chemistry
Follow the lead
A new water-soluble, lead-sensing chemical is the first to detect the toxic metal in live cells.
- Archaeology
Ancient rains made Sahara livable
New evidence indicates that seasonal rainfall more than 7,000 years ago turned Africa's eastern Sahara desert into a savannalike area that attracted an influx of foraging groups.
By Bruce Bower - Health & Medicine
Freeing Up the Flow: Clearing neck-artery blockage diminishes signs of depression in elderly
Propping open a clogged carotid artery may ease symptoms of depression in elderly people.
By Nathan Seppa