Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
4.5 pounds of sunlight strike the Earth each day.
27
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
Out of all the senses, smell is most closely linked to memory.
146
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199