A cesium atom in an atomic clock beats over nine billion times a second.
43
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Out of all the senses, smell is most closely linked to memory.
146
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Each day, up to 150 species of life become extinct.
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