Underneath a cloudless sky and surrounded by the greenest of English landscapes, two opposing forces assembled their ranks on a plot of land in the middle of Hertfordshire like two medieval armies readying themselves for battle.

Faced with a major security operation, campaigners withdraw to fight another day

Teams of volunteers were heading to an uninhabited island in Prince William Sound near Anchorage yesterday to clean up debris washed out to sea by the Japanese earthquake and tsunami last year and sent by Pacific currents to Alaska.

A contraceptive pill for men which works by preventing sperm development could result from the discovery of a new gene, scientists have said.

Goal-line technology is to be tested at England's friendly against Belgium at Wembley on June 2.

A 50-year-old man has been charged with criminal damage after an incident at a research centre testing genetically modified wheat.

Last week, it was the Education Secretary, Michael Gove.

A huge sub-glacial basin the size of Wales has been discovered under one of the key Antarctic ice sheets that could make it more unstable and liable to disintegration, a study has found.

Huge plant-eating dinosaurs may have produced enough greenhouse gas by breaking wind to alter the Earth's climate, research suggests.

It is as influential and manipulative as Simon Cowell. And, as psych-trance enthusiasts are wont to declaim at house parties, it's just as responsible FOR THE DEATH OF MUSIC. Few technological advancements outside of a nuclear arms race have been as divisive as Auto-Tune.

Protesters have renewed their threat to sabotage a scientific site where a strain of genetically modified wheat is being tested outdoors.

Scientists working on a new generation of genetically modified crops have sent an open letter to anti-GM protesters pleading with them not to destroy “years of work” by attacking their research plots.

Asphyxiation is said to be the other most likely explanation for the death of Mr Williams

The largest collection of ancient Chinese royal treasures  ever permitted to leave China will go on display in Britain next week.