Battleship (HMS Dreadnought, 1906)

HMS Dreadnought revolutionised battleship-building in the 20th century.

Medieval farmhouse

Farmhouses in the Middle Ages were simple, single-storey structures built from earth, mud and wood.

Soldiers of the American Civil War

The American Civil War was fought between the Confederacy and the Union.

Road transport, articulated lorry

Articulated lorries play an important role in road transport.

Karst region (intermediate)

Karst formations include dolines and dripstones.

Nitric acid (HNO₃)

One of the oxoacids of nitrogen. A colourless compound with a pungent odour, a strong oxidant.

Great Mosque of Djenné (1907)

The mosque, built in a distinctive architectural style, is the largest adobe structure in the world.

American bison

The American bison is the largest land animal in North America.

Thermometers

There are various types of instruments used for measuring temperature.

Rimac Concept One

Rimac Automobili's first model is known as the world's fastest production electric vehicle.

The Zuiderzee Works and the Delta Works (Netherlands)

Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.

What kind of food should be on your plate?

This animation helps you learn the basics of healthy eating.

The sense organs

Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.

Ukrainian Cossack (17th century)

Cossacks, members of independent semi-military communities, played an important role in the history of Ukraine.

Axolotl

The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even in adulthood.

Fullerene (C₆₀)

A crystalline allotrope of carbon which was discovered at the end of the 1980s.

Ragusa (Croatia, 16th century)

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

RNA

A polynucleotid made up of phosphoric acid, ribose, and nucleobases (cytosine, uracil, adenine and guanine).

Administrative divisions of the Netherlands

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

Regular square pyramid

A regular square pyramid is a right pyramid with a square base and four triangular faces.

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