Out of all the senses, smell is most closely linked to memory.
146
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
The average temperature at 40,000 feet above sea level is -60 F.
56
For every gallon of sea water, you get more than a quarter pound of salt.
45
One barrel of petroleum holds 42 gallons.
20
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
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42