All Stories by Sid Perkins
- Earth
Signs of ancient sea ice
New analyses of Arctic seafloor sediments suggest floating ice debuted in the ocean at least 47.5 million years ago.
- Earth
Erosion, on the down low
Experiments show how microscopic fungi attack minerals to begin the erosion process.
- Earth
New cyclone predictor
Researchers link occasional sea-surface warming in central Pacific with more, stronger hurricanes in North Atlantic.
- Planetary Science
Losing Louisiana
A new model predicts that rises in sea level, combined with subsiding lands, will claim a tenth of the state by century’s end.
- Earth
Ozone hole trims polar water’s CO2-absorbing power
Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification. Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification
- Life
Long-lasting daddy longlegs
Fossils of two new daddy longlegs species have been unearthed in China.
- Climate
Carbon dioxide not to blame in ice age mystery
Scientists look at seafloor sediments to determine that a long-term decline in carbon dioxide is not the reason for less frequent ice ages.
- Paleontology
Bird in the hand
Fossilized fingers strengthen evolutionary link between dinosaurs and avian relatives.
- Earth
White House releases report on climate change
A new White House report addresses current and projected impacts of climate change across the United States.
- Planetary Science
Solar system’s future could be bumpy
A new study assesses the chances that two planets will collide or a planet will plunge into the sun in the next 5 billion years.
- Earth
When the Great Lakes were lower
New archaeological evidence shows signs of prehistoric hunting and other human activities on now-submerged portions of Lake Huron.
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The iron record of Earth’s oxygen
Scientists are decoding the geological secrets of banded iron formations.
