Billions of neutrinos pass unnoticed through your body every second.
6
Most dust particles in your house come from dead skin.
48
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Sound travels about 4 times faster in water than in air.
408
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118