The permanent rise of oxygen in the Earth's atmosphere, which fundamentally changed the subsequent nature of Earth's habitability, occurred much later than thought, according to new research.
Earth Sciences
Mar 29, 2021
0
4943
Early exposure to tough conditions—particularly warmer waters and nightly swings of low oxygen—could leave lasting scars on oysters' ability to grow meaty tissue. A team of biologists at the Smithsonian Environmental ...
Ecology
Mar 2, 2021
1
19
The ocean floor is vast and varied, making up more than 70% of the Earth's surface. Scientists have long used information from sediments at the bottom of the ocean—layers of rock and microbial muck—to reconstruct the ...
Earth Sciences
Feb 26, 2021
2
134
Oxygen levels in the ancient oceans were surprisingly resilient to climate change, new research suggests.
Environment
Jan 15, 2021
22
140
By some estimates, the amount of solar energy reaching the surface of the earth in one year is greater than the sum of all the energy we could ever produce using non-renewable resources. The technology necessary to convert ...
Materials Science
Dec 17, 2020
12
4256
Because of land use and climate change, lakes and reservoirs globally are seeing large decreases in oxygen concentrations in their bottom waters. It is well-documented that low oxygen levels have detrimental effects on fish ...
Earth Sciences
Dec 10, 2020
1
88
As oceans warm and become more acidic and oxygen-poor, Smithsonian researchers asked how marine life on a Caribbean coral reef copes with changing conditions.
Plants & Animals
Dec 10, 2020
0
11
When Terrie Williams began hearing about the wide range of symptoms experienced by patients with COVID-19, she saw a connection between the various ways the disease is affecting people and the many physiological adaptations ...
Biochemistry
Dec 3, 2020
0
175
Scientists have built tiny droplet-based microbial factories that produce hydrogen, instead of oxygen, when exposed to daylight in air.
Materials Science
Nov 25, 2020
4
4238
Oxygen is life, in or out of the water, raising concerns that declining ocean oxygen stores are adding an additional environmental stress to already highly vulnerable coral reef ecosystems. While the twin effects of ocean ...
Environment
Nov 16, 2020
0
89
