The deepest part of any ocean in the world is the Mariana trench in the Pacific with a depth of 35,797 feet.

The largest desert in the world, the Sahara, is 3,500,000 square miles.

The tallest tree ever was an Australian eucalyptus - In 1872 it was measured at 435 feet tall.

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

Quasars emit more energy than 100 giant galaxies.

Wounds infested with maggots heal quickly and without spread of gangrene or other infection.

The driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.

Quasars are the most distant objects in the Universe.