Whales that are found in both Northern and Southern hemisphere never meet or breed together. Their migration is timed so that they are never in breeding areas at the same time.

Deliberately infecting people with malaria has been used to cure different viral infections. The high fever will strengthen the immune system and fight the virus. In recent times this has been considered as a treatment to HIV.

The first synthetic human chromosome was constructed by US scientists in 1997.

AMAZING FACTS