Soviet labour camps (Gulags) were located far from inhabited areas.
The fortress-like palace was built by Roman Emperor Diocletian on the coast near his home town.
This animation explains the most important characteristics of waves through sound waves.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.
Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.
In transmission systems, the engine torque is modified by reducing or increasing rotational speed.
In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.
The intriguing history of this historic castle spans nearly a thousand years.
The Olympian gods in ancient Greek mythology were as diverse as humans.
Massive accelerating or orbiting bodies cause ripples in spacetime. These are called gravitational waves.
The first section of the gastrointestinal tract comprises the oral cavity, the pharynx and the oesophagus.
Humans have 4 types of teeth: incisors, canines, premolars and molars.
Galileo Galilei's scientific achievements contributed greatly to the advancement of physics and astronomy.
Waves play an extremely important role in many areas of our lives.
The Code of Hammurabi is the emblem of the Mesopotamian civilisation; it contains 282 laws carved into a basalt stele.
The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.
This animation demonstrates the development of the human embryo and foetus.
The liver is a vital organ that plays an important role in the digestion of fats, detoxification and metabolism.
These organs are vital for the survival and development of plants.