Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One ragweed plant can release as many as one billion grains of pollen!
51
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
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound at the right vibration can bore holes through a solid object.
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