Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One ragweed plant can release as many as one billion grains of pollen!
51
One third of the electricity produced on earth is used to power electric light bulbs!
75
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10