Only humans shed emotional tears.
331
A typical lead pencil can draw a line that is 35 miles long.
158
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
When watching a DVD press stop-stop-play-skip to skip the ads and go straight to the movie.
23
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12


