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
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
Real diamonds do not show up on x-ray.
36
Barbie's full name is Barbara Millicent Roberts.
78
Most of the dust underneath your bed is actually your own dead skin.
251
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
If you get water flowing fast enough, it can cut metal.
354