Aluminum used to be more valuable than gold!
84
One ragweed plant can release as many as one billion grains of pollen!
51
Nylon is made from coal and petroleum.
42
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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
Nearly 50% of the world's scientists are assigned to military projects.
71
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21