The most expensive woolen products are socks made from the wool of the vicuna, an artiodactyl animal that lives in the Andes. One pair costs 1000-1200 dollars.

The surface area of Pluto is 17.7 million square kilometers, which is slightly larger than the area of the modern Russian Federation.

The human respiratory system takes oxygen from the air, but nitrogen, an inert gas, does not interact with it in any way. If we replace it with some other safe inert gas in the same proportion, we will continue to breathe and will not even notice the difference.

The fastest sea current in the world is located near the Norwegian coast. The speed of the Solfjord reaches 30 kilometers per hour.

The spores of the cordyceps fungus penetrate into the bodies of insects and take them under their control, forcing them to go to where the conditions for the growth of mushrooms will be optimal. Subsequently, the body of the zombie insect serves as food.

Retail sales of consumer goods containing wool amount to 80 billion US dollars per year.

The Brazilian police is considered one of the toughest among the law enforcement services of civilized countries of the world. According to official statistics, in 2008, during special operations, law enforcement officers killed 1,330 people in shootings.

The sarcophagus in which the body of Pharaoh Tutankhamun was found was made of 110 kilograms of pure gold.

Peat is a powerful natural preservative. And since there is a lot of it in the swamps, perfectly preserved bodies of animals and even people who got there several centuries ago are sometimes extracted from them.

Ants have two stomachs. The ant uses one of them to feed itself. The second is to feed other ants.