Washington, Apr. 25 : The United States has once again urged Pakistan to focus more on the Taliban threat that is challenging its very existence rather than its arch rival India.

Addressing the House Appropriations Committee, CENTCOM chief General. David Petraeus once again highlighted the immediate need for Pakistan to address its internal threat.

Washington, Apr 25 : American researchers have found how to turn off a certain receptor that promotes the growth of leukemia cells.

The study by researchers from the Children''s Cancer Hospital at The University of Texas M. D. Anderson Cancer Center has been presented in a platform session at the 22nd annual meeting of the American Society of Pediatric Hematology/Oncology (ASPHO).

Washington, Apr 25 : Every brain composes a soundtrack. Its tempo and tone differ, depending on mood and frame of mind. Now, researchers at the US Department of Homeland Security (DHS) believe that the cerebral music can help in dealing with insomnia and fatigue in the aftermath of a stressful experience.

Washington  - Reports that General Motors might kill off its muscled Pontiac line - Firebird, Grand Prix and Bonneville - pushed GM to nix the idea on Friday, at least for now.

GM is already working to shake off Hummer, Saab and Saturn as part of its belt-tightening ahead of the crucial June 1 deadline, set by the government for the country's largest car maker to attain viability.

GM received news this week that it would get another 2 billion dollars in loans from the US government to help it stay afloat until the deadline. The new infusion brings to

Prague  - Czech police reported Friday detaining David Duke, former leader of US extremist group the Ku Klux Klan, on suspicion of denying the Holocaust in a book.

Duke arrived in Prague earlier this week at the invitation of local neo-Nazis to publicize the Czech translation of of 1998 memoir My Awakening.

Police have charged him with denying in the book that the systematic mass murder of Jews and other ethnic groups by Nazi Germany during World War II ever took place, a hate crime in the Czech Republic punishable by up to three years in prison, police spokesman Jan Mikulovsky told the German Press Agency dpa.

Washington  - US President Barack Obama on Friday called