The ventricular system and the main brain regions

This animation demonstrates the internal structure of the brain.

Comparison of monocots and dicots

The two groups of angiosperms are monocots and dicots.

Edison’s light bulb

The American electrical engineer Edison invented the incandescent light bulb in 1879,...

Soviet labour camp (1930s)

Soviet labour camps (Gulags) were located far from inhabited areas.

Middle ear infection, otitis media

This animation shows the symptoms and treatment of secretory otitis media.

Daguerreotype

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

Bacteria (spheres, rods, spirals)

Bacteria occur in a wide range of shapes, including spheres, rods and spirals.

Formation of stratovolcanoes

Stratovolcanoes consist of layers of volcanic ash, debris and lava.

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and...

Ozone layer

The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for...

Greenhouse effect

Human activity increases the greenhouse effect and leads to global warming.

Anatomy of the spinal cord

The spinal cord is the part of the central nervous system running inside the spinal...

Syrian water wheels (City of Hama, 13th century)

Medieval Syrian water wheels were used to convey water to distant areas.

Zeppelin airship, LZ 129 Hindenburg

A Zeppelin is a type of rigid-framed airship.

Theatre of Dionysus (Athens, 4th century BC)

The theatre that has a distinctive shape and excellent acoustics was situated at the side...

Solar eclipse

When the Sun, Earth, and the Moon are arranged in a straight line, the Moon can partially...

Common bottlenose dolphin

Bottlenose dolphins are sea mammals which use ultrasound for orientation.

Fusion reactor

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

Himeji Castle

Located close to Osaka, the Japanese castle is also called the White Heron because of its...

Roman soldier (1st century BC)

Mercenaries of the ancient Roman army were well-trained and well equipped with the most...

Added to your cart.