Biology news

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

'Junk' DNA now looks like powerful regulator, researcher finds

Large swaths of garbled human DNA once dismissed as junk appear to contain some valuable sections, according to a new study by researchers at the Stanford University School of Medicine and the University of California-Santa ...

Apr 23, 2007
4.7 / 5 (52) 0

Illuminating Study Reveals How Plants Respond to Light

Most of us take it for granted that plants respond to light by growing, flowering and straining towards the light, and we never wonder just how plants manage to do so. But the ordinary, everyday responses ...

Nov 23, 2007
4.6 / 5 (51) 2

Algae: Biofuel of the future?

University of Virginia researchers have a plan to greatly increase algae oil yields by feeding the algae extra carbon dioxide (the main greenhouse gas) and organic material like sewage, meaning the algae could simultaneously ...

Aug 19, 2008
4.4 / 5 (53) 12

Uranium 'pearls' before slime

Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do ...

Aug 08, 2006
4.9 / 5 (48) 0