Washington, Mar 24 : A structural difference in the brain - a thinning of the right hemisphere - is linked to a higher risk for depression, according to American researchers.

Myrna Weissman, Ph. D., professor of epidemiology in psychiatry, led the research at Columbia University Medical Center and the New York State Psychiatric Institute.

Washington, Mar 24 : Researchers at the California Institute of Technology (Caltech) and world-leading gene-synthesis company DNA2.0 have created new enzymes for cheaper biofuel production.

Biofuels are made by converting renewable materials--for example, corn kernels, wood chips left over from pulp and paper production, prairie grasses, and even garbage--into fuels and chemicals.

London, Mar 24 : A new website, called Spotify, is all set to change the way we listen to music - it will offer almost eight million songs, and that too without paying a single penny.

With all four major record labels backing it, the new Spotify service, allows people to listen to almost any commercial single or album for nothing.

"I''ve never come across a service that is so easy to use and has got so much stuff available," Sky News quoted Andrew Harrison, a music writer on Word Magazine, as saying.

Washington, Mar 24 : Coldplay front-man Chris Martin is one son to be proud of, for he fulfilled his father's lifelong dream-by introducing him to `Grease' star Olivia Newton-John.

It was when the Yellow hitmaker''s dad Anthony joined the band on their recent tour in Australia hoping to see Newton-John.

And Martin grabbed the opportunity to make his dad''s dream come true by fixing a meeting between the pair.

Washington, Mar 24 : Osteoporosis patients are more likely to also have vertigo, says a new study.

The study, published in the March 24, 2009, print issue of Neurology, the medical journal of the American Academy of Neurology, involved 209 people with benign positional vertigo with no known cause such as head trauma or ear surgery.

Vertigo is an inner ear disorder that is a common cause of dizziness. The disorder is believed to be caused by loose calcium carbonate crystals that move in the sensing tubes of the inner ear.

Washington, Mar 24 : Pete Doherty, who’s the former lover of supermodel Kate Moss, has revealed that he''s thought about head-butting her new beau Jamie Hince.

Doherty revealed that he still misses Kate and feels jealous whenever he sees her with Hince.