A cubic yard of air weighs about 2 pounds at sea level.
31
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The bark of an older redwood tree is fireproof.
65
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The storage capacity of human brain exceeds 4 Terrabytes.
140
One third of the electricity produced on earth is used to power electric light bulbs!
75