Most marine fish can survive in a tank filled with human blood. See more

Your system of blood vessels is over 60,000 miles long. That's long enough to go around the world more than twice! See more

A single individual, Dr. Lieven P. Van Neste, owns over 200,000 domain names! See more

10% of human dry weight comes from bacteria. See more

Astronaut Neil Armstrong first stepped on the moon with his left foot. See more

Leonardo Da Vinci invented the scissors. See more

The electric chair was invented by a dentist. See more

Intelligent people have more zinc and copper in their hair. See more

Your muscles make up about one-half of your body weight. See more

Wearing headphones for just one hour will multiply the number of bacteria in your ear 700 times. See more

A cat's urine glows under a black light. See more

About 70 percent of your body weight is water. See more

December 1972, astronaut Eugene Cernan (U.S.) became the last person to set foot on the moon. See more

February 1865 is the only month in recorded history not to have a full moon. See more

Every single possible 3-character .com domain (over 50,000) has long since been registered! See more

As much as 80% of microwaves from mobile phones are absorbed by your head! See more