Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The smell of freshly cut grass is actually a plant distress call.
31
Out of all the senses, smell is most closely linked to memory.
146
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
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79