News tagged with evolutionary selection


When timing is everything: Research says beneficial mutations need specific circumstances to win out

When it comes to the sort of beneficial mutations that drive natural selection, there's new evidence that, evolutionarily speaking, timing is everything.

Genetics created Mar 20, 2013 | popularity 5 / 5 (1) | comments 4 | with audio podcast

How can evolutionary biology explain why we get cancer?

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 ...

Cancer created Jan 22, 2013 | popularity not rated yet | comments 0

A history lesson from genes: Using DNA to tell us how populations change

When Charles Darwin first sketched how species evolved by natural selection, he drew what looked like a tree. The diagram started at a central point with a common ancestor, then the lines spread apart as ...

Genetics created Jan 09, 2013 | popularity 4 / 5 (6) | comments 1 | with audio podcast

Influenza virus: Being the most beneficial mutation is no guarantee of long-term genetic success, research finds

(Medical Xpress)—Wellcome Trust Sanger Institute scientists have used computer modelling to understand why some mutations in a virus gene rise to dominance and become 'fixed' in the genome of the virus, ...

Diseases, Conditions, Syndromes created Jan 03, 2013 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Researchers: Darwin's principles say cancer will always evolve to resist treatment

According to researchers at Moffitt Cancer Center, cancer is subject to the evolutionary processes laid out by Charles Darwin in his concept of natural selection. Natural selection was the process identified by Darwin by ...

Cancer created Jun 21, 2012 | popularity not rated yet | comments 1 | with audio podcast

Permanently dismal economy could prompt men to seek more sex partners

Grim economic times could cause men to seek more sexual partners, giving them more chances to reproduce, according to research by Omri Gillath, a social psychology professor at the University of Kansas.

Psychology & Psychiatry created Oct 13, 2011 | popularity 3 / 5 (2) | comments 0