Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Out of all the senses, smell is most closely linked to memory.
146
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The storage capacity of human brain exceeds 4 Terrabytes.
140
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
A cesium atom in an atomic clock beats over nine billion times a second.
43