Balsa wood is classified as a hard wood!
41
The average home creates more pollution than does the average car.
33
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Sound travels fifteen times faster through steel than through air.
134
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75