Biology news

Researchers discover second light-sensing system in human eye

New research on blind subjects has bolstered evidence that the human eye has two separate light-sensing systems — one that perceives the familiar visual signals that allow us to see and a second, separate system that tells ...

Dec 13, 2007
4.6 / 5 (56) 1

Ancient organisms discovered in Canadian gold mine

Scientists have suspected that the three known domains of life -- eukaryotes, bacteria, and archaea -- branched off and went their separate ways around three billion years ago. But pinning down the time of that split has ...

Aug 20, 2007
4.3 / 5 (58) 0

Parasite morphs ant into ripe red berry

A newly discovered parasite so dramatically transforms its host, an ant, that the ant comes to resemble a juicy red berry, ripe for picking, according to a report accepted for publication in The American Na ...

Jan 16, 2008
4.6 / 5 (54) 2

World's oldest living tree discovered in Sweden

The world's oldest recorded tree is a 9,550 year old spruce in the Dalarna province of Sweden
The world’s oldest recorded tree is a 9,550 year old spruce in the Dalarna province of Sweden.

Apr 16, 2008
4.3 / 5 (57) 2

We're more different than we thought, says gene study

New research shows that at least 10 percent of genes in the human population can vary in the number of copies of DNA sequences they contain--a finding that alters current thinking that the DNA of any two humans ...

Nov 22, 2006
4.7 / 5 (52) 0