Scientists develop new Angio Chip

The new Angio chip help the doctors to replace the dead heart cells during a heart attack.Before the invention the scientists had to open the heart to patch the new cells.

Aeroplanes may be causing ozone layer depletion

Scientists have found out that the smoke of aeroplane contains black carbon which in turn affects the ozone. The black carbon will setlle in few months but with teh help of rain ad wind it will move upward 4km.