In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average home creates more pollution than does the average car.
33
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
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
One cubic foot of gold weighs more than 1,200 pounds!
78