Out of all the senses, smell is most closely linked to memory.
146
One third of the electricity produced on earth is used to power electric light bulbs!
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Iron weighs more after it rusts.
16
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
A 'jiffy' is an actual unit of time for 1/100th of a second!
66