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Lunar eclipse

Lunar eclipses occur when the Moon passes through the shadow cone of Earth

Comparison of edible and poisonous mushrooms

Certain mushrooms are poisonous and can be fatal for humans when consumed, while others are edible and used widely in cooking.

Earth

The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.

The human blood

Human blood consists of blood cells and plasma.

Watermill

Machines converting the energy of flowing or falling water into useful forms of power were already in use in the Middle Ages.

Hydroelectric power plant (Hoover Dam, USA)

The huge dam built on the Colorado river in the US was named after a former American President.

Human muscles

Skeletal muscles form the active part of the locomotor system: they move the bones they are attached to.

Medieval inhabited bridge (London Bridge, 16th century)

In the Tudor Era around 200 buildings were built on the bridge across the River Thames.

Bastille (Paris, 18th century)

The Parisian prison became legendary after the Revolution of 1789.

Bedouin camp

The seminomadic lifestyle of the Bedouin adapted to the climatic and environmental conditions of the desert.

Pyramid of Djoser (Saqqara, 27th century BC)

The step pyramid, built in the 27th century BC, was the first pyramid in Egypt.

Great Wall of China

A series of fortifications built to prevent incursions from northern nomadic groups.

The sense of balance

The position and acceleration of the head is detected by the inner ear.

Anatomy of the large intestine

The large intestine is the last section of our digestive track.

Circus Maximus (Rome)

The ancient Roman arena became well-known for the chariot races held here.

Macedonian siege tower (4th century BC)

The army of Alexander the Great successfully deployed siege towers in its attacks against fortifications.

Airbus A380 (2005)

The double-decked, wide-bodied passenger aircraft can carry more then 500 passengers.

How does it work? - Electron microscope

This animation demonstrates the structure and operation of electron microscopes.

Fusion reactor

Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.

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