Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pure water (H2O) does not conduct electricity on its own.
46
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One barrel of petroleum holds 42 gallons.
20