Washington, Mar 20 : Musician John Mayer is planning to sue a U. S. magazine over reports that he’s planned to cash in on his relationship with Jennifer Aniston by writing a book.

According to the Star Magazine, the 31-year-old pop rock singer was planning to a book on his on/off romance with the ‘Friends’ star since their split last week.

However, an infuriated Mayer has dismissed the reports, and is contemplating taking the publication to court over the claims.

Washington, Mar 20 : Low-to-moderate drinking and socialization is beneficial for cardiovascular heath, according to a new study.

A Japanese examination of the effects of social support on the relationship between drinking and cardiovascular disease has found that the health benefits of light-to-moderate drinking are more pronounced in men with greater social support.

Washington, Mar 20 : A new study has shown that low and moderate but not high doses of alcohol trigger `feel good' brain chemicals called beta-endorphins.

Beta-endorphin release produces a general feeling of well-being that reinforces the desire to drink.

Washington, Mar 20 : Researchers from the University of Pittsburgh and the Albert Einstein College of Medicine have developed a simple onsite technique to quickly diagnose tuberculosis (TB)- injecting strains of Mycobacterium tuberculosis with fluorescent-green protein.

The new technique can expose the deadly drug-resistant strains of Mycobacterium tuberculosis that can mingle undetected with treatable strains.

Thus, the researchers engineered bacteriophages-tiny viruses that attack bacteria-to inject TB bacteria with a glowing, fluorescent-green protein.

California (US), Mar. 20 : President Barack Obama has confirmed that a presidential dog in the White House will come sooner than later.

Confirming a timetable for the First Family''s acquisition of a canine companion, Obama told The Tonight Show host Jay Leno here that the dog would arrive after his planned trip to Europe in early April.

"When we get back, the dog will be in place," Fox News quoted Obama, as saying, and adding that his daughters Sasha and Malia were not the only ones looking forward to its arrival.

Washington, March 20 : The efficiency of human running varies with speed, and each individual has an optimal pace at which he or she can cover the greatest distance with the least effort, according to a study.

Karen Steudel, a zoology professor at the University of Wisconsin-Madison, says that the finding debunks the long-standing view that the energy needed to run a given distance is the same whether sprinting or jogging.

Though sprinting feels more demanding in the short term, the longer time and continued exertion required to cover a set distance at a slower pace are thought to balance out the difference in metabolic cost.