"Humans are influencing climate through increasing greenhouse gas emissions and the warming is causing impacts on physical and biological systems that are now attributable at the global scale and in North America, Europe, and Asia," said Rosenzweig.

A US scientist who killed himself last week was the sole person responsible for the deadly anthrax attacks in 2001, new FBI papers allege.

A space mission that will be critical to our understanding of climate change has launched from California.

Carbon dioxide and methane trapped in tiny bubbles of air in ancient ice down to 3,200 metres (10,500 ft) below the surface of Antarctica add 150,000 years of data to climate records stretching back 650,000 years from shallower ice drilling.

The genetic blueprint of a parasite that causes the painful disfiguring disease elephantiasis has been unravelled by scientists.

Campaigners against genetically modified crops in Britain last are calling for trials of GM potatoes this spring to be halted after releasing more evidence of links with cancers in laboratory rats.

Google is playing an unlikely role in the Iraq war. Its online satellite map of the world, Google Earth, is being used to help people survive sectarian violence in Baghdad.

Criminals controlling millions of personal computers are threatening the internet's future, experts have warned.

The notorious " mad cow " disease , or Bovine Spongiform Encephalopathy (BSE) could still possibly be a lingering threat in the U.K.

Tests of drugs on animals are not reliable in all cases, a study warns.