Biologists have long hoped to understand the nature of the earliest living organisms on Earth. If they could, they might then be able to say something about how, when, and where life arose on Earth, and perhaps by extension, ...
Evolution
Apr 22, 2020
4
466
(Phys.org) —A new study confirms directly what scientists previously knew only indirectly: The poisonous "rotten egg" gas hydrogen sulfide is generated by our body's growing cells. Hydrogen sulfide, or H2S, is normally ...
Analytical Chemistry
Jun 18, 2013
2
0
Researchers at the University of Arkansas have discovered and characterized a new organism that will help scientists understand the molecular mechanisms and ancestral genetic toolkit that enabled animals and fungi to evolve ...
Cell & Microbiology
Sep 18, 2013
0
2
Motorized molecules driven by light have been used to drill holes in the membranes of individual cells and show promise for either bringing therapeutic agents into the cells or directly inducing the cells to die.
Cell & Microbiology
Aug 30, 2017
0
604
Many modern fitness trackers and smartwatches feature integrated LEDs. The green light emitted, whether continuous or pulsed, penetrates the skin and can be used to measure the wearer's heart rate during physical activity ...
Biotechnology
Jun 7, 2021
0
186
A high-throughput genetic screening of meiotic crossover rate mutants in Arabidopsis thaliana has unraveled a century-old mystery in the life sciences.
Cell & Microbiology
Mar 8, 2024
5
97
Researchers at University of California San Diego School of Medicine have discovered how a new immune system works to protect bacteria from bacteriophages (phages), viruses that specifically infect bacteria. This new system ...
Cell & Microbiology
Jan 10, 2020
0
284
Researchers at the Francis Crick Institute have characterised the structure of the SARS-CoV-2 spike protein as well as its most similar relative in a bat coronavirus. The structures provide clues about how the spike evolved ...
Evolution
Jul 9, 2020
0
46
Scientists from the UNC School of Medicine and Stanford University have uncovered what may be a fundamental biological mechanism that helps organisms adapt to rapid changes to nutrients in their environments.
Molecular & Computational biology
Nov 5, 2019
0
117
George Mason University researchers have discovered the exact location where two proteins responsible for hiding cancer cells from the immune system bind. This discovery provides a novel approach to developing new cancer ...
Biochemistry
Oct 7, 2019
0
192
