Uncategorized
- Physics
New claim staked for metallic hydrogen
Scientists report transforming hydrogen into a metal at high pressure, but some experts dispute the claim.
- Life
Mouse cells grown in rats cure diabetes in mice
Mixing cells of two species produces pig and cattle embryos with some human cells.
- Tech
Legos inspire versatile fluid-filled devices
Tiny devices shuttle fluid around using reconfigurable Lego-like bricks.
- Health & Medicine
50 years ago, methadone made a rosy debut
Heralded as the “answer to heroin addiction,” methadone is still used to treat opiate addiction, despite risks.
- Animals
Endings make way for new beginnings for Earth and SN
Editor in chief Eva Emerson discusses major changes for life on Earth and at Science News.
- Animals
Readers weigh in on mathematical animals and more
Animal math, dinosaur digestion and more in reader feedback from our December 10, 2017, issue.
- Earth
Devastation detectives try to solve dinosaur disappearance
Dinosaurs and others faced massive losses 66 million years ago from an asteroid impact, volcanic eruptions or maybe a mix of the two.
- Paleontology
With dinosaurs out of the way, mammals had a chance to thrive
The animals that lived through the great extinction event had a range of survival strategies to get them through.
- Life
Some lucky birds escaped dino doomsday
Dino doomsday took out early birds too, but a lucky few survived.
- Paleontology
Bony head ornaments signal some supersized dinosaurs
Bony headwear, like bumps and horns, is tied to bigger bodies in the theropod dinosaur family tree.
- Paleontology
Ancient giant otter unearthed in China
Fossils unearthed in China reveal a newly discovered, now-extinct species of otter that lived some 6.2 million years ago.
- Environment
Humans’ stuff vastly outweighs humans
The human-made technosphere weighs 30 trillion tons and surpasses the natural biosphere in mass and diversity, researchers estimate.
