Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back to the surface as precipitation.

Life cycle of mosses and ferns

This animation compares the life cycles of mosses and ferns, helping to understand the general life cycle of plants.

Phase transitions

A phase transition is the change of a substance from one state of matter to another.

Daguerreotype

The first commercially successful technique of photography was invented by the French Louis Daguerre.

Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

Machu Picchu (15th century)

The ancient Inca city, located in present-day Peru, is a World Heritage Site.

Three-dimensional Cartesian coordinate system

3-dimensional Cartesian coordinate system with illustrations and exercises that develop spatial perception.

Egyptian Pyramids (Giza, 26th century BC)

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

Container ships

Commercial maritime routes of container ships form a global network.

Planets, sizes

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

Code of Hammurabi

The Code of Hammurabi is the emblem of the Mesopotamian civilisation; it contains 282 laws carved into a basalt stele.

Aeolian landforms in deserts

Wind, as an external force, plays an important role in shaping deserts.

Physicists who changed the world

These great scientists had a tremendous impact on the advancement in physics.

Napoleonic Wars

Napoleon I, who crowned himself emperor, was one of the most outstanding military commanders in history.

Vegetative plant organs

These organs are vital for the survival and development of plants.

The anatomy and functions of the liver

The liver is a vital organ that plays an important role in the digestion of fats, detoxification and metabolism.

Synaptic transmission

Neurons transmit electrical signals via chemical and electrical synapses.

Galileo Galilei's workshop

Galileo Galilei's scientific achievements contributed greatly to the advancement of physics and astronomy.

Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

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