Haemoglobin

Oxygen carrier protein in our red blood cells.

Native American settlement (Crow Nation)

The Crow are Native Americans who inhabited the Yellowstone River valley.

Attack of Pearl Harbor (1941)

The United States entered World War II after the devastating attack by the Japanese navy.

Hypothalamic-pituitary axis

The Hypothalamic-pituitary axis is the regulating centre of our endocrine system.

Axit fomic (axit metanoic) (HCOOH)

Axit fomic là dạng axit cacboxylic đơn giản nhất.

Chia không gian thành các vùng bởi 3 mặt phẳng

Phân chia không gian bằng ba mặt phẳng cắt nhau theo nhiều cách sắp xếp khác.

Electric surface transport

Trolleybuses and trams are environment-friendly means of public transport

Japanese soldier (World War II)

Highly committed Japanese soldiers fought primarily at the Asian and Pacific theatres of the Second World War.

How does it work? – Tower crane

Tower cranes are machines used for lifting loads weighing up to several tonnes.

Venice in the Middle Ages

Medieval Venice owed its wealth to its flourishing maritime trade.

Administrative divisions of the Netherlands

This animation presents the provinces and provincial capitals of the Netherlands.

V-2 ballistic missile (1944)

The German liquid-propellant rocket, developed during WWII, was the first known man-made object to reach space.

Ragusa (Croatia, 16th century)

Today called Dubrovnik, this Croatian city is known for its spectacular architecture and beautiful location.

Guillotine

The device designed to carry out executions more humanely than before was named after a French doctor.

Jamestown (17th century)

Jamestown, founded in 1607, was the first permanent English settlement on the east coast of North America.

Working-class district (19th century)

Typical working-class districts with unhealthy living conditions were built at the time of the Industrial Revolution.

Medieval dungeon

A wide variety of torture devices were in use in medieval dungeons.

Viking longship (10th century)

These excellent shipbuilders and sailors travelled great distances on the seas and rivers.

Cannon operation (18th century)

The cannon was an important type of firearms at the beginning of modern history, widespread both on land and water.

Medieval smithy

The work of smiths – one of the first professions in history – became even more important in the Middle Ages.

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