Uncategorized
- 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.
- 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.
- 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.
- 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.
- Animals
Skimpy sea ice linked to reindeer starvation on land
Unseasonably scant sea ice may feed rain storms inland that lead to ice catastrophes that kill Yamal reindeer and threaten herders’ way of life.
- Neuroscience
Sounds and glowing screens impair mouse brains
Too much light and noise screws up developing mice’s brains.
- Health & Medicine
Restless sleep associated with heart rhythm problems
Poor sleep, even without apnea, is tied to heart rhythm problems.
