Uncategorized
- Plants
How light-farming chloroplasts morph into defensive warriors
Researchers now know which protein triggers light-harvesting plant chloroplasts to turn into cell defenders when a pathogen attacks.
- Space
It’s time to start taking the search for E.T. seriously, astronomers say
Astronomers are hoping to make looking for alien technology an official science goal of NASA.
- Health & Medicine
Readers have questions about Parkinson’s disease, moth wings and more
Readers had questions about Parkinson’s disease, the new definition of a kilogram’s mass, Saturn’s moon Dione and more.
- Planetary Science
We spent New Year’s Eve in the Kuiper Belt
Editor in Chief Nancy Shute discusses Science News' coverage of NASA's New Horizons spacecraft's flyby of Ultima Thule.
- Health & Medicine
Vitamin D supplements aren’t living up to their hype
Once seen as a supplement with a long list of benefits, vitamin D’s glow may be dimming.
- Anthropology
Dogs may have helped ancient Middle Easterners hunt small game
Jordanian finds point to pooch-aided hunting of small prey around 11,500 years ago, offering new clues into dog domestication in the Middle East.
- Animals
Male birds’ sexy songs may not advertise their brains after all
A biologist backs off an idea he studied for years that the mastery of birdsong is a sign of bird smarts.
- Health & Medicine
Lack of sleep is tied to increases in two Alzheimer’s proteins
In people and mice deprived of sleep, researchers found an increase in tau, a protein involved in Alzheimer’s disease, in the fluid bathing the brain.
- Neuroscience
Rocking puts adults to sleep faster and makes slumber deeper
People sleep better when their beds are gently rocked, a small study finds.
- Paleontology
Tiny eyes make a bizarre, ancient platypus-like reptile even weirder
An ancient oddball marine reptile had teeny-tiny eyes, suggesting it probably used senses other than sight to catch food.
- Earth
50 years ago, scientists tried to control earthquakes with earthquakes
In the 1960s, researchers proposed preventing a big earthquake by creating smaller ones. That hasn’t quite worked out.
- Animals
Young emperor penguins brave icy, winter waters in their first year
Young emperor penguins learn survival skills on their own, including how to navigate Antarctica’s icy winter ocean.
