6,896 results
6,896 results for: Bears
- Planetary Science
A buried lake on Mars excited and baffled scientists
Planetary scientists are still trying to explain how a lake could have formed beneath a kilometer and a half of Martian ice.
- Planetary Science
Two daring spacecraft aim to bring asteroid dust back to Earth
A pair of daredevil spacecraft that aim to bring asteroid dust back to Earth have reached their targets and are scouting for the best sampling spots.
- Climate
Here’s how much climate change could cost the U.S.
A report by hundreds of scientists from 13 federal agencies starkly outlines the economic impacts of climate change on the United States.
- Psychology
Sometimes a failure to replicate a study isn’t a failure at all
Ego depletion is one of the most well-known concepts in social psychology. A recent study can’t confirm an old one showing it exists. Who is right? Probably everyone.
- Tech
A new airplane uses charged molecules, not propellers or turbines, to fly
A small aircraft prototype is powered by ionic wind flowing in one direction and pushing the plane in the other.
- Paleontology
‘End of the Megafauna’ examines why so many giant Ice Age animals went extinct
‘End of the Megafauna’ ponders the mystery of what killed off so many of Earth’s big animals over the last 50,000 years.
- Anthropology
Skull damage suggests Neandertals led no more violent lives than humans
Neandertals’ skulls suggest they didn’t lead especially injury-prone lives.
- Climate
‘18 Miles’ is full of interesting tales about Earth’s atmosphere
The new book ‘18 Miles’ takes readers on a journey through the atmosphere and the history of understanding climate and weather.
- Ecosystems
How researchers flinging salmon inadvertently spurred tree growth
Scientists studying salmon in Alaska flung dead fish into the forest. After 20 years, the nutrients from those carcasses sped up tree growth.
- Archaeology
Ancient South Americans tasted chocolate 1,500 years before anyone else
Artifacts with traces of cacao push back the known date for when the plant was first domesticated by 1,500 years.
- Ecosystems
Beavers are engineering a new Alaskan tundra
Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.
- Climate
Hurricane Willa breaks an eastern and central Pacific storm season record
The combined might of eastern and central Pacific hurricanes produced a record-breaking year of storm energy.
