Washington, Apr. 1: While the Obama Administration is mulling plans to dispatch at least 1.5 billion dollars in aid to Pakistan, Democrat Senator Carl Levin has said that Pakistan must be made accountable for all the help it receives, and that it should prove its willingness to curb the increasing extremism inside its territory.

Talking to reporters here, Levin said stability could not be bought in the region unless Pakistan acts sincerely against terror camps based on its soil.

Washington, Apr 1: People who have gone partially blind after suffering a stroke can regain some vision by doing a set of vigorous visual exercises on a computer every day for several months, according to a new study.

Dr. Krystel Huxlin, a neuroscientist and associate professor who led the study of seven patients at the University of Rochester Eye Institute, has developed a computer system that exercises the brain, forcing it to develop to compensate for the damage caused by stroke.

Washington, April 1 : A new study by researchers in California and Colorado has suggested that the global market for rocket launches may require more stringent regulation in order to prevent significant damage to Earth’s stratospheric ozone layer in the decades to come.

The study, which includes the University of Colorado at Boulder and Embry-Riddle Aeronautical University, provides a market analysis for estimating future ozone layer depletion based on the expected growth of the space industry and known impacts of rocket launches.

Washington, April 1 (ANI): Scientists at Newcastle University, UK, have worked out a mathematical formula that could be used to give advance warning of where a tsunami is likely to hit and how destructive it will be.

The research, led by Newcastle University's Professor Robin Johnson, was prompted by the 2004 Boxing Day tsunami disaster which devastated coastal communities in Indonesia, Sri Lanka, India and Thailand.

Gibraltar/Madrid  - The United States and the British overseas territory of Gibraltar have signed an agreement that will allow them to exchange tax information, Gibraltar and Spanish media reported Wednesday.

The agreement was signed by US Treasury Secretary Tim Geithner and Gibraltar Chief Minister Peter Caruana in London in advance of the G20 meeting, which will discuss measures against offshore tax evasion.

Washington, Apr 1: The temptation to gorge on that sumptuous chocolate cake, or the urge to buy that discounted pair of shoes, can be curbed if a person has already been exposed to similar choices before, according to a study.

The study shows that people's resistance gets a boost after they have just been exposed to similar temptations.

"The threat of overconsumption is a real one for many of us. It is all too easy to eat or spend too much, and many others struggle with their desire to smoke or to drink alcohol or to take another pain killer," said authors Siegfried Dewitte, Sabrina Bruyneel (both K. U. Leuven), and Kelly Geyskens (Maastricht University, The Netherlands).