The asymmetrical flight feathers of their wings are among the most distinctive features of living birds. But how are these feathers actually constructed, and when did they first appear in evolutionary history?
Evolution
Feb 16, 2015
3
121
Not all bacteria are created equal. Most are single-celled and tiny, a few ten-thousandths of a centimeter long. But bacteria of the Epulopiscium family are large enough to be seen with the naked eye and 1 million times the ...
Cell & Microbiology
Dec 18, 2023
1
100
Fossils of the oldest member of the lineage to which today's birds belong has been found in Hebei province of Northern China. The discovery pushes back the evolutionary record for birds by nearly 6m years and challenges the ...
Archaeology
May 7, 2015
2
50
A study in The Journal of Cell Biology by scientists at the University of Massachusetts Medical School reveals important new details about the inner workings of the CRISPR-Cas9 machinery in live cells that may have implications ...
Biotechnology
Aug 26, 2016
0
318
A researcher at Royal Holloway, University of London, has discovered a new species of spider in Indonesia.
Plants & Animals
Feb 13, 2019
1
2738
,Social policy and popular culture promote the two-parent nuclear family as an ideal structure for raising successful, healthy children. But the reality of family life in America looks very different from that: Half of all ...
Social Sciences
Jan 16, 2020
0
17
Scientists monitoring incoming tsunami debris were taken aback last spring when some 30 fishing vessels from Japan washed ashore along the Pacific Northwest coast – many of them covered in living organisms indigenous to ...
Ecology
Dec 9, 2014
1
0
A study using fruit flies, led by researchers at the Universities of Manchester and Leicester, supported by the National Physical Laboratory, has suggested that the animal world's ability to sense a magnetic field may be ...
Plants & Animals
Feb 22, 2023
1
937
Don't expect designer babies any time soon—but a major new ethics report leaves open the possibility of one day altering human heredity to fight genetic diseases, with stringent oversight, using new tools that precisely ...
Biotechnology
Feb 14, 2017
3
1046
Lactobacilli that live in the human female urinary tract's microbiome are competitive and kill nearby pathogenic bacteria, according to the first study of its kind by a team led by microbiologist Dr. Tanya Sysoeva of The ...
Cell & Microbiology
Jul 7, 2022
0
22
