6,896 results
6,896 results for: Bears
- Earth
How the Earth-shaking theory of plate tectonics was born
Plate tectonics explains many of Earth’s geologic wonders and natural hazards — and may hold clues to the evolution of life.
- Life
A newfound feathered dinosaur sported fuzz and weird rods on its shoulders
A Brazilian dinosaur with stiffened pairs of ribbonlike feathers emerging from the shoulders is unlike any found before.
- Paleontology
How massive long-necked dinosaurs rose to rule the Jurassic herbivores
New dinosaur fossil dates to same time as a volcanic surge, suggesting ensuing changes in plant life allowed these long-necked giants to emerge.
- Animals
Giant pandas may roll in horse poop to feel warm
By coating themselves in fresh horse manure, wild giant pandas may be seeking a chemical in the poop that inhibits a cold-sensing protein.
- Health & Medicine
Long-lasting shots work better than daily pills to prevent HIV in at-risk women
A more discreet HIV prevention method — a shot once every eight weeks —could help to boost use in women at risk.
- Anthropology
Ardi and her discoverers shake up hominid evolution in ‘Fossil Men’
A new book covers the big personalities, field exploits and scientific clashes behind the discovery of the hominid skeleton nicknamed Ardi.
- Animals
Glowing blue helps shield this tardigrade from harmful ultraviolet light
Tardigrades have a newly discovered trick up their sleeve: fluorescence.
- Paleontology
Why South America’s ancient mammals may have lost out to northern counterparts
When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.
- Anthropology
Seven footprints may be the oldest evidence of humans on the Arabian Peninsula
In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.
- Space
The asteroid Bennu’s brittle boulders may make grabbing a sample easier
NASA’s OSIRIS-REx spacecraft is about to collect a bit of asteroid Bennu. Here’s why it’s good that new research suggests its boulders are brittle.
- Plants
How passion, luck and sweat saved some of North America’s rarest plants
As the list of plants no longer found in the wild grows, botanists and conservationists search for signs of hope — and sometimes get lucky.
- Earth
Death Valley hits 130° F, the hottest recorded temperature on Earth since 1931
Amid a heat wave in the western United States, California’s Death Valley is back in the record books with the third hottest temperature ever recorded.
