The naval battle fought by the British Navy against the German Navy was the largest sea battle in World War I.
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars
Learn the concept of colours, numbers, letters and shapes while playing
One of the most common types of flatworms.
The marathon running event was instituted in commemoration of the run of a Greek soldier after the Battle of Marathon, fought between the Athenian and the...
The first calendars and time-measuring instruments were already used by ancient Eastern civilisations.
The aircraft manufactured by the British de Haviland company was the world's first mass-produced commercial jetliner.
This animation demonstrates the structure and operation of different types of optical disc drives.
A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial activity.
Industrial estates provide infrastructure and services for companies.
Igloos were the typical dwellings built by Eskimos living in the Arctic zone.
ATP is the main source of energy for cells.
NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.
A geisha is a traditional Japanese entertainer whose skills include performing classical music and dance.
An extinct group of Cephalopoda, with solid external skeletons. They are excellent index fossils.
A mammal with features typical of reptiles: it lays eggs and has a cloaca.
The Tesla Model S is one of the first commercially available electric cars.
It is a well-known phenomenon that the sound of an approaching sound source is higher than that of a receding one.
The conic section is a plane curve that is created when a right circular cone is intersected by a plane.
A spacecraft on its path is in a constant state of free fall.