Research indicates that plants grow healthier when they are stroked.
173
In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Iron weighs more after it rusts.
68
Cold water weighs more than hot water.
93
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20