Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One barrel of petroleum holds 42 gallons.
20
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The force of a suction cup is calculated using F=AP.
15