Most dust particles in your house come from dead skin.
48
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
Out of all the senses, smell is most closely linked to memory.
146
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The storage capacity of human brain exceeds 4 Terrabytes.
140