A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Your brain is 80% water.
525
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One ragweed plant can release as many as one billion grains of pollen!
51
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
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0