A cesium atom in an atomic clock beats over nine billion times a second.
43
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The smell of freshly cut grass is actually a plant distress call.
31
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists aren't sure what color dinosaurs were.
312
Sound travels fifteen times faster through steel than through air.
134
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pumice is the only rock that floats on water.
14