Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Most dust particles in your house come from dead skin.
48
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One barrel of petroleum holds 42 gallons.
20
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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