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
Plants produce all types of curious chemicals. Some deter predators. Some smell wonderful. Some even have medicinal value. One of these hidden gems is (–)-jerantinine A (JA), a molecule with remarkable anticancer properties, ...
Biochemistry
Mar 23, 2023
0
26
Bacteria are literally everywhere—in oceans, in soils, in extreme environments like hot springs, and even alongside and inside other organisms including humans. They're nearly invisible, yet they play a big role in almost ...
Cell & Microbiology
Mar 17, 2023
0
76
Why do cells, and by extension humans, age? The answer may have a lot to do with mitochondria, the organelles that supply cells with energy. Though that idea is not new, direct evidence in human cells had been lacking. Until ...
Cell & Microbiology
Jan 12, 2023
0
39
Proven to protect against a wide array of diseases, exercise may be the most powerful anti-aging intervention known to science. However, while physical activity can improve health during aging, its beneficial effects inevitably ...
Cell & Microbiology
Jan 5, 2023
1
87
Hibernation is a state adopted by certain mammals as an adaptation to adverse winter conditions. Typical features of hibernation include greatly reduced metabolic activity and lowered body temperature.
Other
Dec 23, 2022
2
642
One might expect identical twins to have the same health outcomes.
Evolution
Dec 9, 2022
0
13
Most cells of humans, animals, plants and fungi contain two sets of chromosomes with specific chromosome numbers—for example, in humans there are two sets of 23 chromosomes as carriers of genetic information. However, polyploid ...
Cell & Microbiology
Nov 9, 2022
0
8
Climate change is increasing the risk of heat stress and death in cold-blooded animals, a Nature study suggests. With even modest warming scenarios predicted to have a notable impact, the research highlights the vulnerability ...
Plants & Animals
Oct 27, 2022
0
7
Facing starvation and stress conditions, some bacteria enter a dormant state in which life processes stop. Shutting down into a deep dormancy allows these cells, called spores, to withstand punishing extremes of heat, pressure ...
Cell & Microbiology
Oct 6, 2022
0
226
