Late in the prehistoric Silurian Period, around 420 million years ago, a devastating mass extinction event wiped 23 percent of all marine animals from the face of the planet.
Earth Sciences
Aug 30, 2019
26
1132
The Earth's carbon cycle is crucial in controlling the greenhouse gas content of our atmosphere, and ultimately our climate.
Earth Sciences
Aug 15, 2019
0
164
A University of Maryland Center for Environmental Science-led research cruise leaves for the deep Atlantic Ocean 50 miles southeast of Bermuda on Monday for a week of science at sea aboard the 171-foot R/V Atlantic Explorer. ...
Earth Sciences
Aug 1, 2019
0
33
In the brain, when neurons fire off electrical signals to their neighbors, this happens through an "all-or-none" response. The signal only happens once conditions in the cell breach a certain threshold.
Earth Sciences
Jul 8, 2019
29
6704
It's a well-known fact that the ocean is one of the biggest absorbers of the carbon dioxide emitted by way of human activity. What's less well known is how the ocean's processes for absorbing that carbon change over time, ...
Environment
Jun 19, 2019
2
51
The winter ice on the surface of Antarctica's Weddell Sea occasionally forms an enormous hole. A hole that appeared in 2016 and 2017 drew intense curiosity from scientists and reporters. Though even bigger gaps had formed ...
Earth Sciences
Jun 10, 2019
0
219
Researchers at Stanford University say they have found an aquatic highway that lets nutrients from Earth's belly sweep up to surface waters off the coast of Antarctica and stimulate explosive growth of microscopic ocean algae.
Earth Sciences
Jun 5, 2019
0
226
Earth's oceans have a remarkable natural ability to pull carbon from the atmosphere and store it deep within the ocean waters, exerting an important control on the global climate.
Earth Sciences
Apr 25, 2019
0
29
Roughly 430 million years ago, during the Earth's Silurian Period, global oceans were experiencing changes that would seem eerily familiar today. Melting polar ice sheets meant sea levels were steadily rising, and ocean oxygen ...
Earth Sciences
Mar 28, 2019
1
2230
The world's oceans could harbor an unpleasant surprise for global warming, based on new research that shows how naturally occurring carbon gases trapped in reservoirs atop the seafloor escaped to superheat the planet in prehistory.
Environment
Feb 13, 2019
29
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