There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Research indicates that plants grow healthier when they are stroked.
173
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One barrel of petroleum holds 42 gallons.
20
4.5 pounds of sunlight strike the Earth each day.
27
Scientists in Germany have developed a candy that doesn't cause cavities.
11