Washington, Mar 25 : Johns Hopkins researchers have discovered a new energy-making biochemical twist that can boost the lifespan of yeast cells, and can even do the same for humans.

The findings have revealed that making glucose is highly influenced by a large enzyme complex already known to fix damaged DNA, and which apparently affects yeast life span through a common chemical process-acetylation.

Washington, March 25 : A biologist has discovered that the shell lengths of northwest Atlantic Ocean snails have increased by 22.6 per cent over the past century.

"We found a dramatic increase in size, which could affect the entire intertidal food chain," said Jonathan Fisher, a Postdoctoral Fellow at the Queen's University in Canada, and the leader of the study.

Until now, this significant change in the marine ecosystem has gone unnoticed.

London, Mar. 25: England football star Steven Gerrard is ready to commit himself to a new long-term contract at Liverpool, saying he has never been happier in his career.

Captain Gerrard believes Rafa Benitez can restore the Reds to the pinnacle of English football and wants to see out his playing days at the club he has idolised since boyhood.

Liverpool will approach Gerrard, 28, in the summer about extending his 110,000-pounds-a-week deal, which has two years left to run.

London, Mar 25 : Brit girl group Girls Aloud celebrated the release of their 21st single, wearing sexy PVC and leather.

Cheryl Cole, Nadine Coyle, Sarah Harding, Nicola Roberts, and Kimberley Walsh, all posed for the photo shoot in the sexy clothes to mark the launch of their single `Untouchable'.

The girls, who have been praised by rock legend Bono from U2, and who have now established themselves as the nation's leading girl group, have picked up a Brit Award, with four of their singles being No1 hits, and two albums topping the charts.

Washington, Mar 25: A team of scientists has developed a test that could help doctors precisely identify which breast cancer patients should receive aggressive therapy, thereby sparing many women at low risk for metastatic disease from undergoing unnecessary and potentially dangerous treatment.

Researchers developed the test based on an earlier finding that the co-mingling of three cell types can predict whether localized breast cancer will metastasize, or spread throughout the body.