Aluminum used to be more valuable than gold!
84
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Out of all the senses, smell is most closely linked to memory.
146
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42