A cesium atom in an atomic clock beats over nine billion times a second.
43
A ball of glass will bounce higher than a ball made of rubber.
73
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
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
One ragweed plant can release as many as one billion grains of pollen!
51
The sun is 330,330 times larger than the earth.
75
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44