Oxygen levels in the world's temperate freshwater lakes are declining rapidly—faster than in the oceans—a trend driven largely by climate change that threatens freshwater biodiversity and drinking water quality.
Earth Sciences
Jun 2, 2021
0
367
Rodents and pigs share with certain aquatic organisms the ability to use their intestines for respiration, finds a study publishing May 14th in the journal Med. The researchers demonstrated that the delivery of oxygen gas ...
Plants & Animals
May 14, 2021
19
7553
Oxygen is essential for the development of higher life. However, it was hardly present in the oceans of the young Earth. It was not until the evolution of photosynthetic bacteria that the oceans saw a significant increase ...
Earth Sciences
May 6, 2021
0
26
While climate change is regarded as one of the world's most pressing issues, questions remain about how quickly the globe is warming.
Earth Sciences
Apr 27, 2021
0
5
New Jersey environmental authorities are working to identify the bacteria that appears to be killing fish in several waterways.
Ecology
Apr 6, 2021
0
10
Found in jewelry, car parts, pigments, and industrial chemical reactions, the metal chromium and its compounds are often employed for their color, finish, and anti-corrosive and catalytic properties. Currently, geoscientists ...
Earth Sciences
Apr 6, 2021
0
704
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
