The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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
Pure water (H2O) does not conduct electricity on its own.
46
Scientists are now able to grow 'beating' heart tissue in a lab!
162
4.5 pounds of sunlight strike the Earth each day.
27
Hot water can freeze faster than cold water.
181
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79