The trench is subglacial, meaning that it is permanently covered by the largest ice cap in the world. Most people do not count it as the lowest point because if the ice melted, the area would be covered by water.

In spite of the lack of oxygen and temperatures that fall to 20 Celsius below zero, the city is inhabited by more than 30,000 people whose source of income is to dig through the ice and rock to mine gold. The city has no running water, no sanitation system and houses has no heating system. Because of poor mining practice, the city is contaminated by mercury used to separate the gold from the rock.

Cheetah’s remarkable speed comes from the species’ modified paws. It has semi-retractable claws, which is known only in three other cat species: the fishing cat, the flat-headed cat and the Iriomote cat, that offers extra grip when it is chasing preys. Cheetah also has large nostrils that allow for increased oxygen intake, and an enlarged heart and lungs that work together to circulate oxygen efficiently. When chasing prey, its respiratory rate increases from 60 to 150 breaths per minute and it uses its tail as a rudder-like means of steering to allow it to make sharp turns.

Russia, aka the Russian Federation, shares borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland, Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia, and North Korea. Because of it’s size, Russia spans nine time zones and incorporates a wide range of environments and landforms. It has the world’s largest reserves of mineral and energy resources which makes it the largest producer of oil and natural gas in the world.

An African-American slave named Stephen Bishop who was also a guide to the cave during the 1840s and 1850s, was one of the first people to make extensive maps of the cave. He named many of the cave’s features and became one of Mammoth Cave’s most celebrated historical figures.

The Card Players is a series of oil paintings of varying size and the number of players depicted by Cézanne. It was painted during the final period of his life in the early 1890s. The painting above is the version that fetched the record setting price. All the paintings of the series depicts Provençal peasants smoking their pipes and playing cards.

This golf ball-sized chili pepper has a rank of 2,009,231 SHU on the Scoville scale – a measurement of the spicy heat of a chili pepper. According to Paul Bosland, a chili expert, the hotness of Trinidad Moruga Scorpion is gradual and nasty. To give you an idea how hot it is, a Jalapeño pepper has a rank of between 2,500 – 10,000 SHU on the Scoville scale.

See this guy eat one.

Stapes is between 2-3 millimeter in size – miniature compare to the femur, the largest bone in the human body

World War 2 begun when Germany invaded Poland and ended when the United States of America dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki.

The serve broke the record previously set by Ivo Karlovic at 156 mph (251 km/h) in a doubles match against Germany in the 2011 Davis Cup.