The electric chair was invented by a dentist. See more

Calculating DNA length for each person, it would stretch across the diameter of the solar system. See more

The dioxin 2,3,7,8-tetrachlorodibenzo-p-dioxin is 150,000 times deadlier than cyanide. See more

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

A teaspoon of neutron star material weighs about 110 million tons. See more

Rain falls at 11 km/h. See more

It is impossible for a solar eclipse to last for more than 7 minutes 58 seconds. See more

Your skin weighs about 3.2 kg. See more

You cannot sneeze with your eyes open. See more