There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
A fire in Australia has been burning for more than 5,000 years!
91
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
The original game of "Monopoly" was circular.
230
Real diamonds do not show up on x-ray.
36
Kilts are not native to Scotland. They originated in France.
57
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