Research indicates that plants grow healthier when they are stroked.
173
Iron weighs more after it rusts.
16
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Out of all the senses, smell is most closely linked to memory.
146
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
In zero gravity, a candle's flame is round and blue.
16