Humans and chimpanzees differ in only one percent of their DNA. Human accelerated regions (HARs) are parts of the genome with an unexpected amount of these differences. HARs were stable in mammals for millennia but quickly ...
Evolution
Jan 13, 2023
8
387
(Phys.org)—A small team of researchers from Brazil and Argentina has found via skull analysis and modeling that a kind of new-world monkey appears to have undergone changes in individual parts of its brain during evolutionary ...
Humans' superior brain size in comparison to their chimpanzee cousins traces all the way back to the womb. That's according to a study reported in the September 25 issue of Current Biology that is the first to track and compare ...
Plants & Animals
Sep 24, 2012
3
0
The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math. But how did the human brain get larger than that of our ...
Biotechnology
Feb 19, 2015
12
1216
Governments have agreed to phase out the use of the toxic chemical HBCD, and restrict trade in four other dangerous substances, the head of the UN's anti-pollution division said Friday.
Environment
May 10, 2013
0
0
New research in mice has found that a father's stress affects the brain development of his offspring. This stress changes the father's sperm, which can then alter the brain development of the child. This new research provides ...
Plants & Animals
Feb 16, 2018
5
446
Childbirth in humans is much more complex and painful than in great apes. It was long believed that this was a result of humans' larger brains and the narrow dimensions of the mother's pelvis. Researchers at the University ...
Evolution
May 10, 2022
0
266
Few organs in the body are as complicated as the human brain, a tight spiderweb of neurons that shoots electrical signals across synapses to control all our thoughts and movements. When something goes wrong—as it does when ...
Materials Science
Apr 2, 2015
0
4420
(Phys.org) —Scientists have developed a new approach for treating a deadly brain cancer that strikes 15,000 in the United States annually and for which there is no effective long-term therapy. The researchers, from Yale ...
Bio & Medicine
Jul 2, 2013
1
0
A new study from Indiana University provides evidence in mice that males may play a positive role in the development of offspring's brains starting before pregnancy.
Plants & Animals
Jun 30, 2015
1
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