Hundreds of millions of years ago, in the middle of what would eventually become Canada's Yukon Territory, an ocean swirled with armored trilobites, clam-like brachiopods and soft, squishy creatures akin to slugs and squid.
Earth Sciences
Jul 9, 2021
1
4728
Scientists know that the Earth was bombarded by huge impactors in distant time, but a new analysis suggests that the number of these impacts may have been 10 times higher than previously thought. This translates into a barrage ...
Earth Sciences
Jul 8, 2021
7
949
Researchers have combined a new oxygen-sensing film with machine learning to create a wearable sensor capable of measuring tissue oxygenation through skin. The device could be used to monitor a person's oxygen levels on a ...
Optics & Photonics
Jun 30, 2021
0
7
Why do some science instruments detect the gas on the Red Planet while others don't?
Planetary Sciences
Jun 30, 2021
2
400
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
