A cesium atom in an atomic clock beats over nine billion times a second.
43
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pure water (H2O) does not conduct electricity on its own.
46
One cubic foot of gold weighs more than 1,200 pounds!
78
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The smell of freshly cut grass is actually a plant distress call.
31