News tagged with evolutionary biologist

Related topics: proceedings of the national academy of sciences




Study casts light on deadly immune response

(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 ...

Immunology created Mar 19, 2013 | popularity 3 / 5 (2) | comments 1 | with audio podcast

Natural killer cells played a vital role in human evolution

(Medical Xpress)—Natural killer cells – a vital part of the immune system – have a dual role in protecting against infection and ensuring reproduction. Scientists suggest that the multi-tasking ability ...

Immunology created Feb 08, 2013 | popularity 4 / 5 (3) | comments 0 | with audio podcast

Bacteria and people: In it together

Next time your digestive system malfunctions in some embarrassing way, you can always blame man's best friend - not the dog, but the bacterial cells that live in your intestines. Not everyone has a dog but we all have enormous ...

Medical research created Jun 12, 2012 | popularity not rated yet | comments 1

Abundance of rare DNA changes following population explosion may hold clues to common diseases

One-letter switches in the DNA code occur much more frequently in human genomes than anticipated, but are often only found in one or a few individuals.

Pediatrics created May 17, 2012 | popularity not rated yet | comments 0 | with audio podcast

Men with deep voice may be lacking in sperm: study

(Medical Xpress) -- Women look for tall, dark and handsome. Those chiseled features and that deep sexy voice have gained the attention of women for generations. However, a new study published in PLoS ONE shows ...

Other created Jan 09, 2012 | popularity 3.1 / 5 (8) | comments 11 | with audio podcast report

Researchers trace origins of malaria parasite from African slave trade to South America

(PhysOrg.com) -- A new study done using DNA analysis and partly undertaken by the University of California, Irvine, has found evidence to support the premise that malaria was brought to South America via the ...

Diseases, Conditions, Syndromes created Dec 27, 2011 | popularity not rated yet | comments 0 | with audio podcast report

Sexual selection by sugar molecule helped determine human origins

Researchers at the University of California, San Diego School of Medicine say that losing the ability to make a particular kind of sugar molecule boosted disease protection in early hominids, and may have ...

Medical research created Oct 10, 2011 | popularity 4.8 / 5 (6) | comments 3 | with audio podcast