Nylon is made from coal and petroleum.
42
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Out of all the senses, smell is most closely linked to memory.
146
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
German chemists made a replica of a trophy the size of one molecule.
68
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
Sound travels fifteen times faster through steel than through air.
134
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65