The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
The intriguing history of this historic castle spans nearly a thousand years.
In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.
Rotating a geometric shape around a line within its geometric plane as an axis results in a solid of revolution.
This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.
Cereals are species of grasses cultivated for their edible grains.
We can travel on dual carriageways on the motorway.
The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum, which is divided into lobes.
The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.
Systemic circulation carries oxygenated blood from the heart to the body, while pulmonary circulation carries oxygenated blood from the lungs to the heart.
The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.
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.
This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was undoubtedly one of the most brilliant figures of the second...
The life cycle of vertebrates starts with the production of the reproductive cells of an individual and ends with the production of the reproductive cells...
The building commissioned by Pompey the Great was the first permanent theatre in Ancient Rome.
An earthquake is one of the most devastating natural phenomena.
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.
This animation demonstrates the anatomy of spiders through the example of a common European species.