Uncategorized
- Plants
Tweaking how plants manage a crisis boosts photosynthesis
Shortening plants’ recovery time after blasts of excessive light can boost crop growth.
By Susan Milius - Earth
How a ring of mountains forms inside a crater
Rocks drilled from the Chicxulub crater linked to the demise of the dinosaurs reveal how mountainous peak rings form within large impact craters.
- Astronomy
Mysterious radio signals pack power and brilliance
The brightest fast radio burst has been detected, while another team reveals a previous burst might have carried gamma rays as well as radio waves across space.
- Health & Medicine
50 years ago, fluoridation was promoted as a bone protector
In 1966, scientists hoped fluoride might protect adult bone health. While the results broke down over time, the benefits for teeth remain clear.
- Health & Medicine
Heartburn drugs may raise stroke risk
Drugs used by millions for heartburn linked to increased risk of stroke.
By Laura Beil - Neuroscience
Despite Alzheimer’s plaques, some seniors remain mentally sharp
Plaques and tangles riddle the brains of some very old and very healthy people.
- Neuroscience
Protein linked to Parkinson’s travels from gut to brain
Parkinson’s protein can travel from gut to brain, mouse study suggests.
- Health & Medicine
Downside of yo-yo dieting is rise in heart disease risk
Yo-yo dieting hurts the heart, even if you’re not overweight.
By Laura Beil - Science & Society
Readers respond to the SN 10, and awards for Science News
The human side of science, cool cloth and more in reader feedback.
- Science & Society
Averages can conceal how people and science learn
Editor in chief Eva Emerson discusses getting the whole scientific story.
By Eva Emerson - Astronomy
Surprising number of meteoroids hit moon’s surface
A new analysis of lunar images reveals over 200 new craters and about 47,000 undiscovered “splotches” on the moon.
- Paleontology
Dinosaurs may have used color as camouflage
Fossilized pigments could paint a vivid picture of a dinosaur’s life.
By Meghan Rosen