The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
German chemists made a replica of a trophy the size of one molecule.
68
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Nylon is made from coal and petroleum.
42
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9