Sound travels fifteen times faster through steel than through air.
134
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The bark of an older redwood tree is fireproof.
65
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117