The only letter not appearing on the Periodic Table is the letter "J".
180
One barrel of petroleum holds 42 gallons.
20
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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
According to studies, men change their minds two to three times more often than women.
72
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51