Washington, April 27 : In a new research, scientists have challenged the theory that a meteor impact 65 million years back killed off the dinosaurs in a mass extinction event.

The crater, caused by the meteor, was discovered in 1978 in northern Yucutan and measured about 180 kilometers (112 miles) in diameter, proof of a massive extra-terrestrial impact.

Chinese researchers, who make the final sprint toward its market launch, believes that a 1.6-metre tall robot with twinkling eyes will be a boon to the bed-ridden, infirm, lonely, disabled and elderly people.

Li Ruifeng, a member of the project with the Harbin Institute of Technology in this capital of northeast China's Heilongjiang Province said, "We are working on testing the precision functions and ways to reduce the cost in preparations for an anticipated market launch of the robot in two to three years."

London, April 27 : Miley Cyrus has dismissed rumours that she has revived her romance with ex-boyfriend Nick Jonas, insisting they are just `best friends'.

The Hannah Montana star is currently dating underwear model Justin Gaston but reports in the US claim that she has been getting close to Nick, who is a member of popular group the Jonas Brothers.

Now, the 16-year-old singer/actress has used her Twitter page to dismiss the reports as a `stupidddd rumour', saying that, although the former couple still hang out together, they are not seeing each other.

London, April 27 : John Lennon's signature look with grandpa-style spectacles happened by accident, a Spanish Beatles researcher has claimed.

According to expert Adolfo Iglesias, the Beatle adopted the image during his six-week stay in the city of Almeria, Spain in 1966.

Iglesias said the singer stumbled upon the image when he was hired to star as Private Gripweed in the movie How I Won The War.

New Delhi, April 27 : Drew Barrymore, famed for her curvaceous figure, is not in favour of going on extreme diets to become thin.

The actress believes that one can achieve ideal body shape by eating everything in moderation as well as undergoing regular exercise, reports the China Daily.

"My top beauty and fitness tip is to eat whatever you want in smaller increments but don''t starve yourself to societal pressures," she said.

"And I love to exercise because it makes me feel good about myself," she added.

Lahore, Apr.