The sun is 330,330 times larger than the earth.
75
Diamonds can be shattered with a hammer.
-104
Sound travels fifteen times faster through steel than through air.
134
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65