Uncategorized
- Life
Here’s how cells rapidly stuff two meters of DNA into microscopic capsules
Scientists have figured out how cells quickly pack up their chromosomes before a cell divides.
- Animals
Slower speed, tricky turns give prey a chance against cheetahs and lions
A bonanza of data on wild predators running shows that hunting is more than sprinting.
By Susan Milius - Animals
Here’s why so many saiga antelope mysteriously died in 2015
Higher than normal temperatures turned normally benign bacteria lethal, killing hundreds of thousands of the saiga antelopes.
- Particle Physics
Clumps of dark matter could be lurking undetected in our galaxy
Dark matter, assumed to form featureless blobs, might clump together into smaller objects.
- Earth
Life may have been possible in Earth’s earliest, most hellish eon
Heat from asteroid bombardment during Earth’s earliest eon wasn’t too intense for life to exist on the planet, a new study suggests.
- Environment
Plastic pollution increases risk of devastating disease in corals
Researchers estimate about 11 billion pieces of plastic are polluting Asia-Pacific corals, raising the risk of disease at scores of reefs.
By Dan Garisto - Genetics
Scientists find 10 new defense systems used by bacteria
Scientists identify 10 groups of genes that appear to govern defense systems used by bacteria against virus attacks.
- Anthropology
An ancient jaw pushes humans’ African departure back in time
If an ancient jaw found in an Israeli cave belongs to Homo sapiens, the humans left Africa tens of thousands of years earlier than we thought.
By Bruce Bower - Earth
Overlooked air pollution may be fueling more powerful storms
The tiniest particles in air pollution aren’t just a health threat. They also strengthen thunderstorms, new research suggests.
- Earth
Robots map largest underwater volcanic eruption in 100 years
High-resolution mapping of a 2012 underwater volcanic eruption just goes to show there’s a lot we don’t know about deep-sea volcanism.
- Tech
Lasers trace a new way to create hovering hologram-like images
Hovering 3-D images pave the way for futuristic displays that could be used for education or entertainment.
- Anthropology
Human brains rounded into shape over 200,000 years or more
Ancient humans’ brains slowly but surely became round, scientists say.
By Bruce Bower