Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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
One barrel of petroleum holds 42 gallons.
20
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The sun is 330,330 times larger than the earth.
75
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116