When it comes to the sort of beneficial mutations that drive natural selection, there's new evidence that, evolutionarily speaking, timing is everything.
Mar 20, 2013
4
0
(Medical Xpress)—Examining a case study of near-death experiences for six healthy men who volunteered to test an experimental drug in London has yielded important insights into potentially deadly over-reactions of the human ...
Mar 19, 2013
1
0
(Medical Xpress)—Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of normal viruses, now appear able to play an important role in the spread of disease, new research by UCLA ...
Feb 28, 2013
0
0
Though it's most often associated with disorders like diabetes, Harvard researchers have shown how the signaling pathway of insulin and insulin-like peptides plays another critical role in the body – helping to regulate ...
Feb 26, 2013
0
0
A pair of studies published by Cell Press on February 14th in the journal Cell sheds new light on genetic variation that may have played a key role in human evolution. The study researchers used an animal model to study a ...
Feb 14, 2013
0
0
The first animal model of recent human evolution reveals that a single mutation produced several traits common in East Asian peoples, from thicker hair to denser sweat glands, an international team of researchers reports.
Feb 14, 2013
0
0
A shift away from traditional coffee-growing techniques may be increasing the severity of an outbreak of 'coffee rust' fungus that has swept through plantations in Central America and Mexico, according to a University of ...
Feb 12, 2013
1
0
She wore a tight red dress, a new pair of high heels and a matching handbag. He wore a suit, bright tie and a chunky watch.
Feb 8, 2013
1
0
Over 500 billion cells in our bodies will be replaced daily, yet natural selection has enabled us to develop defenses against the cellular mutations which could cause cancer. It is this relationship between evolution and ...
Jan 22, 2013
0
0
A review of the available evidence underscores the safety of the federal childhood immunization schedule, according to a report released today by the Institute of Medicine. University of Michigan population ecologist Pejman ...
Jan 16, 2013
0
0
