Hot water can freeze faster than cold water.
181
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Nylon is made from coal and petroleum.
42
According to studies, men change their minds two to three times more often than women.
72
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Cold water weighs more than hot water.
93
One 75-watt bulb gives more light than three 25-watt bulbs.
57