Sound travels about 4 times faster in water than in air.
408
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Out of all the senses, smell is most closely linked to memory.
146
A 'jiffy' is an actual unit of time for 1/100th of a second!
66