Uncategorized
- 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.
- Health & Medicine
Veggies: A radiation shield
Here’s another reason to eat broccoli and related veggies: They protect the body’s cells from killer radiation — at least in rats.
- Animals
True vampires
Forget Count Dracula or Twilight’s Edward and Bella. Many creatures have a true thirst for blood, and here’s why.
- Animals
Vampires’ gift of ‘blood honey’
A Maryland biologist probes the unusual dining behaviors of a blood-thirsty bat.
- Brain
‘Study drugs’ can be dangerous
The misuse of these ADHD medicines not only constitutes cheating, but they can become addictive and can mess with your head.
- Health & Medicine
Mining medicine from poop
Researchers find a much less yucky way to treat people with a common killer infection.
- Chemistry
Grape scents repel mosquitoes
Safer than DEET, the new compounds could lead to insect repellents that would be affordable even in poor regions where mosquitoes carry malaria.
