Iron weighs more after it rusts.
68
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
Most dust particles in your house are made from dead skin!
67
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The average home creates more pollution than does the average car.
33
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
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16