There are more living organisms on the skin of each human than there are humans on the surface of the earth.

The wingspan of a Boeing 747 is longer than the Wright brother's first flight.

The thermometer was invented in 1607 by Galileo.

Wilhelm Rontgen won the first Nobel Prize for physics for discovering X-rays in 1895.

Without its lining of mucus your stomach would digest itself.

Microbial life can survive on the cooling rods of a nuclear reactor.

The dinosaurs became extinct before the Rockies or the Alps were formed.

On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.