Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Sound travels fifteen times faster through steel than through air.
134
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Most dust particles in your house are made from dead skin!
67
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18