The smell of freshly cut grass is actually a plant distress call.
31
Pumice is the only rock that floats on water.
14
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
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 barrel of petroleum holds 42 gallons.
20
Liquid TIDE laundry detergent glows under a blacklight.
96
Out of all the senses, smell is most closely linked to memory.
146
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116