Uncategorized
- Life
Scientists find way to break through bad bacteria’s defenses
Enzymes can break down bacterial biofilm’s sugary walls.
- Climate
Zapping clouds with lasers could tweak planet’s temperature
Breaking up the ice particles inside cirrus clouds could make them reflect more light, turning them into a tool to combat global warming.
- Tech
Insect-sized bot is first to both fly, land
A tiny aerial robot nicknamed RoboBee uses static electricity to perch on surfaces midflight. The landing device could one day help robots conserve energy during search and rescue missions.
By Meghan Rosen - Genetics
Risk identified in procedure for ‘three-parent babies’
Resurgent mitochondria could spell trouble for disease therapy.
- Neuroscience
Wiping out gut bacteria impairs brain
Antibiotics that wiped out gut bacteria curbed brain cell production in mice, a new study finds.
- Genetics
Some Stone Age humans ventured back to Africa
DNA from an ancient woman suggests some humans trekked back to Africa.
By Bruce Bower - Oceans
Ancient tsunamis reshaped Mars’ landscape
Ancient tsunamis generated by meteorite impacts may have reshaped ocean coastlines on Mars.
- Life
1.56-billion-year-old fossils add drama to Earth’s ‘boring billion’
Ancient multicellular eukaryotes big enough to be seen by the naked eye discovered in 1.56-billion-year-old rock in China may be an ancestor of modern algae.
By Meghan Rosen - Oceans
The Arctic Ocean is about to get spicier
Variations in the saltiness and temperature of seawater of the same density, called spiciness, could increase as the Arctic Ocean warms.
- Health & Medicine
Math offers new view of brain and its disorders
Editor in chief Eva Emerson discusses new insights into the brain's role in mental illness, sleep, and ancient rituals.
By Eva Emerson - Health & Medicine
Zika, psychobiotics and more in reader feedback
Readers respond to the April 2, 2016, issue of Science News with thoughts on Zika virus, planetary science, microbes in mental health and more.
- Animals
Some animals ‘see’ the world through oddball eyes
Purple urchins, aka crawling eyeballs, are just one of several bizarre visual systems broadening scientists’ view of what makes an eye.
By Susan Milius