That's Interesting
A cup of coffee contains 20 percent of daily norm in vitamin P, that is necessary for blood vessels.
The first space satellite weighed 83.6 kg. A hummingbird weighs 1.7 g in average.
If one divides all the Lego meccanos that were produced from 1947, every Earth inhabitant will have 30 details.
A bed as a piece of furniture appeared in ancient Russia only at the beginning of the 17th century. Until that, people slept on polaty, benches or Russian ovens.
Because of the bad wine stoppers that make wine taste worse, each year tons of wine have to be sent to wastes and they cost halfmilliard dollars.
Only one drop of oil makes 25 litres of water useless for drinking.
A muscle is more effective engine than internal-combusion engine and steam engine. Its effiency is 50% (a car has only 25%).
When glass cracks, a crack spreads with speed over 5000 kilometres per hour.
Legibility of common book text is 277 times more that legibility of the text on the best computer screen.
A woman's braid consists of, on average, around 2000 strands of hair, and is capable of supporting 20 tons of weight.
If one sums up all the numbers that are on the casino roulette, they will get a magic number 666.