7,844 results
7,844 results for: Geology
- Physics
Calls to restart nuclear weapons tests stir dismay and debate among scientists
Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.
- Animals
Polar bears are being exposed to more pathogens as the climate warms
Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.
- Earth
Earth’s oldest known earthquake was probably triggered by plate tectonics
Billion-year-old rocks in South Africa hold evidence for the onset of plate tectonics early in Earth’s history.
- Earth
Another danger looms after the LA fires: Devastating debris flows
As wildfires burn the landscape, they prime slopes for debris flows: powerful torrents of rock, mud and water that sweep downhill with deadly momentum.
- Climate
Earth’s ancient ‘greenhouse’ conditions were hotter than thought
A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.
- Paleontology
How did an ancient shark parasite end up fossilized in tree resin?
A worm preserved in 99-million-year-old amber resembles modern flatworms in shark intestines. The rare finding has scientists stumped.
- Astronomy
A claimed hint of alien life whips up spirited debate
Astronomers have a lot of thoughts about the latest paper claiming we’ve found the strongest hints of alien life yet on the distant planet K2 18b.
- Science & Society
A new biography of Benjamin Franklin puts science at the forefront
Richard Munson’s new book, Ingenious, shows how scientific research inspired the founding father’s diplomacy.
- Earth
Why Japan issued its first-ever mega-earthquake alert
After a magnitude 7.1 temblor jolted southern Japan, the chances of a subsequent, larger quake occurring in the next week had slightly increased, experts said.
- Chemistry
Scientists may have an explanation for why some batteries don’t last
A long-standing idea of why lithium ion batteries die focuses on lithium movement into the cathode. Instead, hydrogen may be to blame.
- Paleontology
China’s famously rich dinosaur fossil beds get a new origins story
Cave-ins and floods may have buried the Cretaceous creatures of the fossil Jehol Biota rather than volcanic eruptions, a new study claims.
- Earth
Mantle waves buoy continents upward and bedeck them with diamonds
A phenomenon occurring deep underground may explain how vast plateaus form far away from tectonic plate boundaries.
