Most scientists agree modern humans developed in Africa, more than 200,000 years ago, and that a great human diaspora across much of the rest of the world occurred between perhaps 60,000 and 50,000 years ago.
Evolution
May 24, 2023
0
510
The biomolecule diphthamide is essential for the proper formation of proteins in cells. When humans are infected with diphtheria, diphthamide is altered by the diphtheria toxin so that life-threatening complications can arise ...
Plants & Animals
Jul 15, 2022
0
79
Baker's yeast is a popular test organism in biology. Yeasts are able to duplicate single chromosomes reversibly and thereby adapt flexibly to environmental conditions. Scientists from the Luxembourg Centre for Systems Biomedicine ...
Cell & Microbiology
Aug 14, 2013
0
0
A team of researchers from Stowers Institute for Medical Research, Howard Hughes Medical Institute and Stanford University has discovered conserved regeneration-responsive enhancers linked to tail regeneration in fish common ...
In the 1950s, the geneticist J.B.S. Haldane attributed the maintenance or persistence of the mutation responsible for anomalies in red blood cells commonly observed in Africa to the protection these anomalies provided against ...
Evolution
Jan 13, 2023
0
102
Cavefish are seemingly insignificant: They are small, they live in tucked away places humans rarely go, and they're quite common, found on every continent except Antarctica. But researchers from the Stowers Institute for ...
Plants & Animals
Jul 20, 2020
0
391
Modern medicine is largely based on treating patients with "small-molecule" drugs, which include pain relievers like aspirin and antibiotics such as penicillin.
Bio & Medicine
Mar 11, 2013
0
0
A team of scientists led by Virginia Commonwealth University physicist Jason Reed, Ph.D., have developed new nanomapping technology that could transform the way disease-causing genetic mutations are diagnosed and discovered. ...
Biotechnology
Nov 21, 2017
0
70
Lacking bones, brains, and even a complete gut, the body plans of simple animals like sea anemones appear to have little in common with humans and their vertebrate kin. Nevertheless, new research from Investigator Matt Gibson, ...
Evolution
Jun 13, 2023
0
100
(Phys.org)—It all started with a crab apple tree. Two years ago, a 71-year-old Indiana man impaled his hand on a branch after cutting down a dead tree. The wound caused an infection that led scientists to discover a new ...
Biotechnology
Nov 26, 2012
4
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