In almost every country, women with more education have fewer children. But does education reduce childbearing, or does childbearing get in the way of education, or both? New research by Joel E. Cohen and colleagues in Norway ...
Social Sciences
Jul 4, 2011
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Life runs on ribosomes. Every cell on Earth needs ribosomes to translate genetic information into all the proteins needed for the organism to function—and to in turn make more ribosomes. But scientists still lack a clear ...
Cell & Microbiology
Jul 6, 2023
0
402
(PhysOrg.com) -- Nearly a billion years ago, bacteria evolved an insidious means of infecting their hosts — a syringe-like mechanism able to inject cells with stealthy hijacker molecules. These molecules, called virulence ...
Biochemistry
Mar 3, 2009
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(PhysOrg.com) -- Through ingenious combinations of roughly 20 amino acids, the basic building blocks of life, genes can build the proteins that comprise everything from the simplest bacteria to the human brain. In new research ...
Biochemistry
Apr 12, 2010
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(PhysOrg.com) -- Nevermind facial masks and exfoliating scrubs, skin takes care of itself. Stem cells located within the skin actively generate differentiating cells that can ultimately form either the body surface or the ...
Cell & Microbiology
Sep 4, 2009
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Sparks fly when a female nematode meets her mate in a Petri dish. Tracking him by smell, she beelines over and is pregnant within moments of physical contact. But for the hermaphroditic version of these tiny roundworms, it's ...
Evolution
Mar 7, 2024
0
116
The factors that shape the destiny of a cell, like that of a fully formed person, remain something of a mystery. Why, for example, does one stem cell in a human embryo become a neuron rather than a muscle cell? And why does ...
Cell & Microbiology
May 23, 2018
0
229
New research from Roderick MacKinnon's Laboratory of Molecular Neurobiology and Biophysics at The Rockefeller University has determined, for the first time, the complete structure of an ion channel that plays an important ...
Cell & Microbiology
Dec 23, 2016
0
14
All senses must reckon with the richness of the world, but nothing matches the challenge faced by the olfactory system that underlies our sense of smell. We need only three receptors in our eyes to sense all the colors of ...
Plants & Animals
Aug 4, 2021
2
1931
(PhysOrg.com) -- A cell's nucleus - home of it its most precious contents — is a delicate envelope that, without support, is barely able to withstand the forces that keep it in place. Now, researchers have discovered a ...
Aug 8, 2008
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