Washington, Mar 25: Scientists at University at Buffalo (UB) have developed a nanoparticle that can silence a gene that triggers drug addiction.

Boffins in UB''s Institute for Lasers, Photonics and Biophotonics and UB''s Department of Medicine have developed a stable nanoparticle that delivers short RNA molecules in the brain to "silence" or turn off a gene that plays a critical role in many kinds of drug addiction.

Islamabad, Mar. 25 : The Lashkar-e-Toiba is close to eclipsing Al Qaeda as the most feared terror group in Pakistan.

According to Sky News, Islamic extremism in Pakistan has taken on a new hue under the LeT.

The CIA is now warning that the LeT or the Army of the Pure has grown so powerful, so pan-national, that its brand of violence is just an e-ticket away from the West.

The LeT has never spoken publicly to western television, but now one of its commanders has gone so far as to refuse to acknowledge the influence of al Qaeda.

London, Mar 25 : Music mogul Simon Cowell had turned down US President Barack Obama's dinner invite - because he "wasn't available".

In an interview to US chat show host Jay Leno, the X-Factor judge revealed that he rejected a dinner invite Obama because he was too busy.

"He wanted to have dinner and our diaries didn't quite match," the Sun quoted him as saying.

"We just didn't quite connect," he added.

Washington, Mar 25: Aids drug ABC (Abacavir) can reduce proliferation and induce differentiation of human cancer cells, called medulloblastoma cells, by the downregulation of telomerase activity, according to new study.

The finding can make ABC an effective therapeutic strategy for the treatment of the highly malignant primary brain tumours.

Lahore, Mar. 25 : Former Pakistan Prime Minister and Pakistan Muslim League-Nawaz (PML-N) chief Nawaz Sharif has expressed concern over the relentless military intervention in the country's politics.

Sharif said that stability in Pakistan cannot be achieved until the Army's intervention is stopped.

"We have to stop military intervention forever. There must be no military intervention in the politics in future," The News qouted Sharif, as saying.