Ancient Egyptian house

An average Egyptian dwelling consisted of regularly arranged rooms.

Egyptian Pyramids (Giza, 26th century B.C.)

The Giza Necropolis is the only one of the Ancient wonders still intact.

TGV POS train

The train operates between Paris and southern Germany, its cruise speed is 320 km/h (199 mph).

Windmill

Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.

Planets, sizes

The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.

Comets

Comets are spectacular celestial bodies orbiting the Sun.

Legendary buildings

A selection of legendary buildings from the history of civilisation.

Veiled chameleon

Chameleons are reptiles with an ability to change their colors.

Ancient Egyptian deities

Ancient Egyptians worshiped a large number of gods and goddesses.

The Suez Canal

The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.

Types of bone articulations

Human bones are joined together by cartilaginous or synovial joints, sutures or they can fuse together.

How does it work? - Turbojet

This animation demonstrates how a turbojet engine works.

The city of Babylon (6th century B.C.)

The ancient city of Babylon was built on the banks of the Euphrates River in Mesopotamia.

The Zuiderzee Works and the Delta Works (Netherlands)

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

Monsters of the Paleozoic: sea scorpions

Eupteryds are an extinct group of Paleozoic aquatic arthropods.

Gametes

The zygote is the initial cell formed when two gamete cells are joined by means of sexual reproduction.

Ragusa (Croatia, 16th century)

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

Fjord

A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial activity.

The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid response in stressful situations.

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