Uncategorized
- Brain
Sleeping brains take a bath
During waking hours, litter builds up in the spaces between brain cells. A new study shows that during sleep, fluid from the brain and spinal cord takes out this trash.
- Earth
Water helped erect Iceland’s lava towers
Science pointed the way to understanding why these curious natural pillars form.
- Brain
In pursuit of memory
Why is granny so forgetful? Scientists must learn how the brain builds memories if they hope to figure out why recall fails in old age.
- Fossils
King of Gore
Paleontologists debut the oldest T. rex ancestor. Weighing as much as a car and longer than a two-story building is tall, this meat eater would have been one fierce predator.
- Planets
So many ‘Earths’
A new analysis suggests humans are not alone in the universe. Our galaxy alone may host billions of Earth-like planets, ones able to support life as we know it.
- Brain
One eye, 3-D
Most scientists think people need two eyes to see a flat image or movie in three dimensions. However, a new study suggests seeing in 3-D with one-eye is possible.
- Fossils
Where do humans come from?
Some scientists propose a newfound South African species as the most likely ancestor of the line that led to humans. But not everyone accepts that this is where it all began.
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- Space
Oldest, most distant galaxy found
Galaxy's light comes from a time shortly after the Big Bang.
- Fossils
How sharks survived the ‘Great Dying’
By abandoning their coastal homes, some sharks survived an event that caused mass extinctions of other species.
- Brain
Restoring a sense of touch
A zap to a monkey’s brain fools the animal into thinking its finger has been touched. The findings point to a way for artificial fingers to communicate with the brain so that touch “feels” more real.
- Chemistry
Self-forming envelope holds fluids
These plastic-laced water molecules can create their own protective shell. That can make capsules for holding drugs or for hosting chemical reactions.
