News
- Life
News in brief: Fins to limbs with flip of genetic switch
Boost of gene activity may help explain how arms and legs evolved in vertebrates.
- Humans
Pots bear oldest signs of cheese making
Some of Europe’s first farmers created perforated vessels to separate curds from whey.
By Bruce Bower - Health & Medicine
Brain stimulation alters depressive symptoms in mice
The findings may point the way toward more targeted treatments for depression in people.
- Life
Feces study gets the poop on gorillas’ diet
Chemical traces in animals’ droppings reflect shifts in recent food consumption.
By Tanya Lewis - Humans
Lines in the sand may have been made for walking
The ancient Nazca culture’s celebrated desert drawings include a labyrinth meant to be strolled, not seen.
By Bruce Bower - Planetary Science
Violent past revealed by map of moon’s interior
A gravity survey by twin orbiters reveals how much the lunar surface was pummeled by meteorite impacts early in its history.
- Health & Medicine
Drug breaks up Alzheimer’s-like deposits in mice
Recent failed trials of a similar approach in humans fuel skepticism that patients will benefit.
- Space
LHC sees odd behavior in superhot particle soup
Coordinated motion in debris from lead-proton collisions may yield clues about quark-gluon plasma.
By Andrew Grant - Space
Extraterrestrial chorus heard in radiation belts
Van Allen probes capture sound of electromagnetic disturbances in Earth’s magnetosphere.
- Health & Medicine
Smoking hurts teen girls’ bones
Adolescents who use cigarettes seem to accumulate less bone mineral than those who don’t.
By Nathan Seppa - Life
Contender for world’s oldest dinosaur identified
An African specimen suggests the lineage may have arisen 15 million years earlier than thought.
By Tanya Lewis - Astronomy
Voyager crossing superhighway to solar system exit
The latest milestone in a 35-year journey may signal an impending passage to interstellar space.
By Tanya Lewis