v At over 2000 kilometers long the Great Barrier Reef is the largest living structure on Earth.
v A thimbleful of a neutron star would weigh over 100 million tons.
v There are 62,000 miles of blood vessels in the human body. Laid end to end they would circle the earth 2.5 times.
v A typical hurricane produces the energy equivalent to 8,000 one megaton bombs.
v Blood sucking hookworms inhabit 700 million people worldwide.
