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
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
German chemists made a replica of a trophy the size of one molecule.
68
The bark of an older redwood tree is fireproof.
65
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9