If the chemical sodium is dropped into water it will immediately and violently explode.
67
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A cubic yard of air weighs about 2 pounds at sea level.
31
Billions of neutrinos pass unnoticed through your body every second.
6
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118