Sound travels fifteen times faster through steel than through air.
134
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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
Iron weighs more after it rusts.
68
The storage capacity of human brain exceeds 4 Terrabytes.
140