Horses are domesticated odd-toed ungulates that are used for many purposes.
The Ancient Greek scientist, Euclid of Alexandria, is often referred to as the 'father of geometry'.
Carl Friedrich Gauss was one of the greatest mathematicians of all time.
Reindeer are the northernmost deer species.
Banana is one of the most commonly consumed fruits in the world.
A traditional Chinese siheyuan is a building complex that surrounds a rectangular courtyard.
Hippocrates, head of the medical school on the Greek island of Kos, is considered the 'Father of Medicine'.
The main sources of water pollution are industry, agriculture and urban areas.
This 3D introduces a centipede species widespread in the Mediterranean.
This scene presents the basic components of the human body.
Lasers are devices designed to emit narrow, monochromatic, high-intensity beams of light.
Some principles of physics can be demonstrated through the functioning of bicycles.
The Giant Swing is one of the symbols of Bangkok.
One of Bangkok's most famous landmarks is the Temple of Dawn, in Thai language: Wat Arun Ratchawararam.
Our gametes are haploid cells produced from diploid cells by meiosis, a special type of cell division.
Medieval Syrian water wheels were used to convey water to distant areas.
A symbol of division and oppression, the Wall tore a city and numerous families apart.
The B-24 Liberator was an American heavy bomber aircraft, built in large numbers, that was used on every front during World War II.
Medieval townhouses were built from stone or brick and were several storeys high.
Designated as the first National Treasure of South Korea, the Namdaemun was one of the major gateways of Seoul's Medieval city walls.