News tagged with maternal line

Indonesian 'Eves' colonised Madagascar 1,200 years ago

Several dozen Indonesian women founded the colonisation of Madagascar 1,200 years ago, scientists said on Wednesday in a probe into one of the strangest episodes in the human odyssey.

Biology / Other

created Mar 21, 2012 | popularity 4.4 / 5 (11) | comments 5

New technique uses genomes to examine human migrations

(PhysOrg.com) -- Cornell researchers have developed new statistical methods based on the complete genome sequences of people alive today to shed light on events at the dawn of human history.

Biology / Biotechnology

created Sep 20, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Homebody queen ants help preserve family ties in large populations

Ant and bee colonies have long fascinated biologists because of their hierarchical social structure and the apparently altruistic behaviour of female workers in rearing the queen's young rather than reproducing themselves. ...

Biology / Plants & Animals

created Mar 31, 2009 | popularity 5 / 5 (2) | comments 0

With climate changes, polar bear and brown bear lineages intertwine

Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...

Biology / Plants & Animals

created Jul 07, 2011 | popularity 5 / 5 (1) | comments 0

Structure of a molecular copy machine: How mitochondrial genes are transcribed

Mitochondria are compartments within cells and have their own DNA. The key protein required for the expression of the genetic information in this DNA is the mitochondrial RNA polymerase enzyme. Its three-dimensional structure ...

Biology / Cell & Microbiology

created Sep 26, 2011 | popularity 5 / 5 (1) | comments 0