The most expensive coffee in the world is Kopi Luwak, its price ranges from 250 to 1,200 dollars per kilogram. The Kopi Luwak beans are retrieved from the droppings of the Luwak, which is found in the jungles of Indonesia.

Throughout life, a person walks a distance equal to 5 times the equators of Earth.

Lake Baikal is the cleanest natural storage of fresh drinking water on Earth. Lake Baikal is located in southern Siberia, Russia.

The saltiest sea in the world is the Dead sea (the Salt sea) that borders Israel, the West Bank and Jordan. The Dead Sea has between 350 and 370 grams of salt per litre of water, which is 10 times more than normal.

The longest river in the world is the Amazon, which flows 4,345 miles from the Peruvian Andes through Brazil to the Atlantic Ocean.

The largest, deepest and warmest ocean is the Pacific Ocean. The ocean area is 165,250,000 square kilometres (63,800,000 square miles), and maximum depth is 10,911 m (35,797 feet).

The smallest country in the world is the Vatican, the area is 0.2 square miles, and its population is 770 inhabitants.

The largest country in the world by area is Russia. Its area is over 6.6 million square miles (17.1 million square kilometres).

The biggest country in the world by population is China. The population was 1,409,517,397 people in 2017.

Only elephants, wildebeests, caribou deer and humans are able to create a crush in which they can die in large numbers.

The Taj Mahal is a symbol of love and one of the 7 wonders of the world, which was built in 22 years by more than 20 000 specialists.

General Sherman is the largest tree on Earth by its volume, growing in California, USA. The height of General Sherman's tree is 83.8 m, the volume of the trunk is estimated at 1487 m³, the mass is 1900 tons, and the age is 2300-2700 years.

Cold water can be distinguished from hot water by sound when it pours from a tap because the viscosity of the water rises when the temperature rises.

The largest active geyser in the world is Steamboat Geyser, located in Yellowstone National Park. The water column of 70 degrees can reach a height of 90 meters.

The largest book in the world was unveiled in Dubai. Its measures 5m * 8,06m, weighs is approximately 1500 kg, and consists of 429 pages.

Children laugh about 400 times a day while the average adult laughs 15 times a day. Let’s laugh more often!

Reading from monitors is 25% slower than reading from papers.

Dog nose prints are as unique as human fingerprints with each having a unique pattern of ridges.

There are over 7000 languages in the world. The world's twenty-three biggest languages are used by 45% of the population of our planet.

Cats have a longer-term memory than dogs and can make more than 100 different sounds whereas dogs make around 10.