6,898 results
6,898 results for: Bears
- Life
Archaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
- Space
More like Faux-malhaut b
The Spitzer Space Telescope fails to find a visible planet circling where Hubble saw one four years ago.
- Physics
Plants’ reproductive weaponry unfurled
Botanical tricks include adhesion and bubbles to spread their spores into the environment.
- Life
Fossil pushes back land-animal debut
Creatures first squished mud through their five toes millions of years earlier than previously believed.
- Life
Carnivores can lose sweet genes
A gene involved in taste detection has glitches in some, but not all, highly carnivorous mammals.
- Humans
Teens win big at science competition
The top awards in the 2012 Intel Science Talent Search go to young scientists working on cancer, innovative sources of energy and behavioral genetics.
- Life
Geneticists go ape for better primate family tree
The first gorilla genome and a more detailed look at chimp genetics provide new clues to evolution of humans and their closest relatives.
- Space
Vesta seems more planet than asteroid
Spacecraft explorations reveal a layered, beat-up celestial body.
- Life
Stem cell treatment spurs cartilage growth
A small molecule called kartogenin prompts the manufacture of lost connective tissue in mice.
- Life
Polar bears older than previously thought
New analysis reveals that the Arctic species dates back to about 600,000 years ago.
- Health & Medicine
Test drug eases behavioral symptoms seen in autism
In mouse experiments, the compound curbs repetitive behaviors and improves sociability.
- Humans
Maya wall calendar discovered
Classic-era structure displays rare calculations of lunar and planetary cycles.
