off the top of my head...an electron travels about 2/3 the speed of light in copper...10% of all humans ever born are alive today...can't sneeze with your eyes open(no your eyeballs won't fly out)...somBruce lee's left leg was shorter than his right, and he was extremely near sighted...and had an undescended testicle...
i had to look some of these up:
Human tapeworms can grow up to 22.9m.
The Earth is 4.56 billion years old...the same age as the Moon and the Sun.
The dinosaurs became extinct before the Rockies or the Alps were formed.
Female black widow spiders eat their males after mating.
When a flea jumps, the rate of acceleration is 20 times that of the space shuttle during launch.
Astronauts cannot belch - there is no gravity to separate liquid from gas in their stomachs.
The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.
One million, million, million, million, millionth of a second after the Big Bang the Universe was the size of a ...pea.
The tallest tree ever was an Australian eucalyptus - In 1872 it was measured at 435 feet tall.
The wingspan of a Boeing 747 is longer than the Wright brother's first flight.
An electric eel can produce a shock of up to 650 volts.
The earliest wine makers lived in Egypt around 2300 BC.
The Ebola virus kills 4 out of every 5 humans it infects.
In 5 billion years the Sun will run out of fuel and turn into a Red Giant.
Giraffes often sleep for only 20 minutes in any 24 hours. They may sleep up to 2 hours (in spurts - not all at once), but this is rare. They never lie down.
A pig's orgasm lasts for 30 minutes.
Without its lining of mucus your stomach would digest itself.
There are more living organisms on the skin of each human than there are humans on the surface of the earth.
Humans have 46 chromosomes, peas have 14 and crayfish have 200.
Around a million, billion neutrinos from the Sun will pass through your body while you read this sentence.
...and now they are already past the Moon.
There are 60,000 miles of blood vessels in the human body.
An individual blood cell takes about 60 seconds to make a complete circuit of the body.
Utopia ia a large, smooth lying area of Mars.
On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.
The low frequency call of the humpback whale is the loudest noise made by a living creature.
The call of the humpback whale is louder than Concorde and can be heard from 500 miles away.
A quarter of the world's plants are threatened with extinction by the year 2010.
Each person sheds 40lbs of skin in his or her lifetime.
At 15 inches the eyes of giant squids are the largest on the planet.
The largest galexies contain a million, million stars.
The Universe contains over 100 billion galaxies.
Wounds infested with maggots heal quickly and without spread of gangrene or other infection.
More germs are transferred shaking hands than kissing.
The longest glacier in Antarctica, the Almbert glacier, is 250 miles long and 40 miles wide.
The fastest speed a falling raindrop can hit you is 18mph.
A healthy person has 6,000 million, million, million haemoglobin molecules.
A salmon-rich, low cholesterol diet means that Inuits rarely suffer from heart disease.
Inbreeding causes 3 out of every 10 Dalmation dogs to suffer from hearing disability.
