Call it the ultimate nature documentary. Scientists at the University of Toronto have recorded atomic motions in real time, offering a glimpse into the very essence of chemistry and biology at the atomic level. Their recording ...
General Physics
Apr 17, 2013
6
0
Viruses require the resources of an infected cell to replicate and then infect further cells, and transfer to other individuals. One essential step in the viral life cycle is the production of new viral proteins based on ...
Molecular & Computational biology
May 13, 2021
1
396
Scientists have caught fast-moving hydrogen atoms—the keys to countless biological and chemical reactions—in action.
General Physics
Oct 6, 2023
0
2760
Before there was life on Earth, there were molecules. A primordial soup. At some point a few specialized molecules began replicating. This self-replication, scientists agree, kick-started a biochemical process that would ...
Cell & Microbiology
Sep 13, 2013
49
1
The artificial cells could be used to sense changes in the body and respond by releasing drug molecules, or to sense and remove harmful metals in the environment.
Cell & Microbiology
Jul 29, 2019
3
1243
A Northwestern University research team has revealed a new approach to conducting chemical reactions—one that doesn't require direct contact with a catalyst.
Materials Science
Jan 31, 2020
0
284
Scientists from Regensburg and Zurich have found a fascinating way to push an atom with controlled forces so quickly that they can choreograph the motion of a single molecule within less than a trillionth of a second. The ...
Quantum Physics
Sep 2, 2020
5
1707
How did life begin on Earth and could it exist elsewhere? Researchers at Simon Fraser University have isolated a genetic clue—an enzyme known as an RNA polymerase—that provides new insights about the origins of life. ...
Evolution
Mar 19, 2021
25
6444
As described in an article published this week in an advance, online edition of the journal Proceedings of the National Academy of Sciences (PNAS), the work demonstrates some of the classic principles of evolution. For instance, ...
Evolution
Apr 29, 2009
6
0
A typical human cell is metabolically active, roaring with chemical reactions that convert nutrients into energy and useful products that sustain life. These reactions also create reactive oxygen species, dangerous by-products ...
Cell & Microbiology
Jun 1, 2023
0
1263
