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As a result of the revolutionary advances in the Neolithic, settling human communities established the first lasting settlements.
The popular model of the American automobile factory was the first mass-produced car in the world.
Energy released during nuclear fission can be used for civilian or military purposes.
Major phases in the history of theories and views about the structure of the atom.
The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.
Marie Curie, the only person to win the Nobel Prize in two different sciences, is probably the most famous woman in the history of science.
In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.
The 'wise man' originated in Africa and dispersed throughout most of the continents.
The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.
Rivers play an important role in shaping the Earth's surface: they cause erosion as well as carrying and depositing sediment.
A mushroom is the fleshy fruiting body of a fungus, made up from hyphae.
ATP is the main source of energy for cells.
Common ciliated eucaryotic unicellular organisms widespread in freshwaters.
NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.
Airports provide infrastructure and services necessary for aviation.
The most ancient group of animals, they live underwater, lack real tissues and body symmetry.
The Byzantine Emperor was the head of the Byzantine Empire, the direct continuation of the Roman Empire.
During swallowing food travels from the mouth cavity into the stomach.
The knee joint is made up by the femur, the tibia and the kneecap.
This animation demonstrates the structure and most important peripherals of desktop computers.