Some animals live in such remote and inaccessible regions of the globe that it is nearly impossible to study them in their natural habitats. Beaked whales, of which 24 species have been found so far, are among them: They ...
Plants & Animals
Feb 9, 2024
0
259
When early humans became carnivores, their higher-quality diet allowed mothers to wean babies earlier and have more children, with potentially profound effects on population dynamics and the course of human evolution, according ...
Plants & Animals
Apr 18, 2012
0
0
Most living cells have a defined number of chromosomes: Human cells, for example, have 23 pairs. As cells divide, they can make errors that lead to a gain or loss of chromosomes, which is usually very harmful.
Cell & Microbiology
Jun 19, 2017
2
1541
Female killer whales live up to 90 years in the wild, and most live an average of 22 years after menopause. Scientists have long wondered why humans and some whale species spend a significant portion of their life not reproducing.
Plants & Animals
Jul 20, 2023
0
176
Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
General Physics
May 7, 2009
6
0
UCLA researchers have developed synthetic T lymphocytes, or T cells, that are near-perfect facsimiles of human T cells.
Biochemistry
Jun 26, 2018
0
496
Scientists reveal in more detail than ever before how white blood cells kill diseased tissue using deadly granules, in research published today in PLoS Biology.
Cell & Microbiology
Sep 14, 2011
0
0
A team of experts convened by Professor Sir Charles Godfray of the Oxford Martin School has found evidence that suggests humans are dumping more chemical waste into the environment than can be tested for its impact. In their ...
The removal of one gene renders poxviruses—a lethal family of viral infections that are known to spread from animals to humans—harmless, a new study in the journal Science Advances reports.
Cell & Microbiology
Sep 18, 2020
0
246
The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsylvania apple orchards with ...
Plants & Animals
Nov 2, 2009
0
0
