The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Sound at the right vibration can bore holes through a solid object.
134
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116