Sleep solves problems

Scientists have said that sleeping could solve some unfathomable problem. In a study, the researchers found that sleep helped to stimulate creative thinking, allowing people to find solutions to puzzles that eluded them if they went without 40 winks. Ullrich Wagner and his team at the University of Lubeck in Germany trained and tested 66 volunteers.

Treatment for strokes

Vampire bat saliva? Doctors would like to quickly dissolve the clots in brain arteries that cause about 80 per cent of all strokes. But their only widely available treatment, a bioengineered human protein called TPA, has drawbacks and is given to only about five per cent of US stroke victims.

If used improperly, the drug can trigger disastrous bleeding. One of its chief limitations is that it must be given within three hours of the start of stroke symptoms. — Agencies