Billions of neutrinos pass unnoticed through your body every second.
6
A cubic yard of air weighs about 2 pounds at sea level.
31
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Each day, up to 150 species of life become extinct.
-23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57