Indoor pollution is 10 times more toxic than outdoor pollution.
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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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
Out of all the senses, smell is most closely linked to memory.
146
Most liquid laundry detergents are alive with living organisms that help to break down stains!
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A 'jiffy' is an actual unit of time for 1/100th of a second!
66
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15