Uncategorized
- Earth
Earthly riches heaven sent
A period of heavy meteorite bombardment after Earth's formation may have peppered Earth's outer layers with useful metals.
By Devin Powell - Health & Medicine
Brain stents pose risks
Devices to prop open narrowed vessels appear to raise the risk of death or stroke compared with medicines alone, a study finds.
By Nathan Seppa - Life
In the dark, cave fish follows its own rhythm
Scientists unwind an odd biological clock to better understand how organisms set daily cycles.
- Chemistry
Explosive goes boom, but not too soon
Leavening a volatile new material with good old TNT yields a substance that’s safer to handle and easily reverted into a highly potent form.
- Chemistry
If that’s a TV, this must be the den
In some situations, the brain identifies a location based on a checklist of objects.
- Space
Atom & Cosmos
Long-lost Martian glaciers, ozone on Venus and more in this week’s news.
By Science News -
Tools tell a more complicated tale of the origin of the human genus
The first animals that could arguably be called “human” made the evolutionary scene a little less than 2 million years ago. These aren’t folks you’d mistake for modern-day Homo sapiens, or even the GEICO caveman. But they were clearly distinct from their more apelike predecessors. They had bigger brains, for one thing, and walked fully […]
By Matt Crenson - Paleontology
Acidifying oceans helped fuel mass extinction
The great die-off 250 million years ago could trace in part to hostile water conditions, a modeling study suggests.
- Humans
Humans
Humans and Neandertals may not have interbred, after all, the backlash of selfishness and more in this week's news.
By Science News - Chemistry
Molecules
Tracking the source of wines’ deep reds, fish oil goes to the brain and more in this week’s news.
By Science News - Earth
Earth & Environment
The supercontinent of the future, pollutants from laundry detergent and more in this week’s news
By Science News - Health & Medicine
Obesity can turn body fat toxic
Excess blubber below the skin can trigger inflammation, possibly increasing risk of disease.
By Janet Raloff