Out of all the senses, smell is most closely linked to memory.
146
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199