An ounce of gold can be stretched into a wire 80 km (50 mi) long.
Natural gas has no odour. The smell is added artificially so that leaks can be detected.
Air becomes liquid at about minus 190 degrees Celsius.sciensational.com
Mercury is the only metal that is liquid at room temperature.
Absolutely pure gold is so soft that it can be moulded with the hands. Water expands by about 10% as it freezes.
It is estimated that a plastic container can resist decomposition for as long as 50,000 years.
If you slowly pour a handful of salt into a totally full glass of water it will not overflow. In fact, the water level will go down.sciensational.com
Hydrogen gas is the least dense substance.
Liquid air looks like water with a bluish tint.
Hydrogen is the most abundant element in the Universe (75%).
Oxygen is the most abundant element in the Earth's crust, waters, and atmosphere (about 49.5%)
The only letter not appearing on the Periodic Table is the letter J.sciensational.com
Hydrofluoric acid will dissolve glass.
The amount of carbon in the human body is enough to fill about 9,000 'lead' pencils.
A bee sting is acidic and a wasp sting is alkali. To treat a sting by one of these you should use the opposite type of chemical.