The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Iron weighs more after it rusts.
16
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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
Liquid TIDE laundry detergent glows under a blacklight.
96
The storage capacity of human brain exceeds 4 Terrabytes.
140