Sound travels fifteen times faster through steel than through air.
134
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Iron weighs more after it rusts.
68
German chemists made a replica of a trophy the size of one molecule.
68
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42