Dioxygen activations constitute one of the core issues in copper-dependent metalloenzymes. Upon O2 activation, copper-dependent metalloenzymes, including particulate methane monooxygenases (pMMOs), lytic polysaccharide monooxygenases ...
Materials Science
Apr 27, 2022
0
9
Can we find order in chaos? Physicists have shown, for the first time that chaotic systems can synchronize due to stable structures that emerge from chaotic activity. These structures are known as fractals, shapes with patterns ...
General Physics
Apr 22, 2022
0
1706
If life is abundant in the universe, atmospheric methane may be the first sign of life beyond Earth detectable by astronomers. Although nonbiological processes can generate methane, a new study by scientists at UC Santa Cruz ...
Astrobiology
Mar 28, 2022
1
731
Enzymes maintain a range of protein sequences and diverse structural forms with activities that far exceed the best chemical catalysts. However, research on engineering them with new and improved features are limited due ...
From 50,000 years to 6,000 years ago, many of the world's largest animals, including such iconic grassland grazers as the woolly mammoth, giant bison, and ancient horses, went extinct. The loss of these grazing species triggered ...
Evolution
Nov 25, 2021
4
1227
Scientists at St Petersburg University together with researchers from St. Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS) and the Scientific Research Centre for Ecological Safety of the Russian ...
Biochemistry
Oct 25, 2021
0
21
Leading a double life in water and on land, frogs have many breathing techniques—through the gills, lungs, and skin—over the course of their lifetime. Now German scientists have developed another method that allows tadpoles ...
Molecular & Computational biology
Oct 13, 2021
0
108
About 17 kilometers above the Earth's surface, the first layer of the atmosphere meets the second one. At a boundary called the tropopause, the troposphere ends and the stratosphere begins. Straddling this interface, for ...
Environment
Sep 20, 2021
0
38
Humans acknowledge that personality goes a long way, at least for our species. But scientists have been more hesitant to ascribe personality—defined as consistent behavior over time—to other animals.
Plants & Animals
Sep 10, 2021
2
528
A new analysis of 2.5-billion-year-old rocks from Australia finds that volcanic eruptions may have stimulated population surges of marine microorganisms, creating the first puffs of oxygen into the atmosphere. This would ...
Earth Sciences
Aug 26, 2021
0
1128
