Ancient Egyptians worshipped a large number of gods and goddesses.
A selection of legendary buildings from the history of civilisation.
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 bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.
The building commissioned by Pompey the Great was the first permanent theatre in Ancient Rome.
Majestic even in its ruins, this city was the largest and most populous settlement in the pre-Columbian Americas.
This animation presents some interesting facts in the field of astronomy.
The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.
Carved into a granite cliff, the sculptures of the Mount Rushmore National Memorial depict four great United States presidents.
Eukaryotic cells with nuclei measuring only a few micrometres may contain nearly 2 metres of DNA, coiled multiple times.
The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built by the Wright brothers.
The 'wise man' originated in Africa and dispersed throughout most of the continents.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
Seawater, as an external force, plays an important role in shaping coastlines.
The liver is a vital organ that plays an important role in the digestion of fats, detoxification and metabolism.
The Code of Hammurabi is the emblem of the Mesopotamian civilisation; it contains 282 laws carved into a basalt stele.
Galileo Galilei's scientific achievements contributed greatly to the advancement of physics and astronomy.
Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.
These organs are vital for the survival and development of plants.