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This animation demonstrates the fine molecular structure and mechanism of muscles.
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.
This exciting and colourful game is designed to develop spatial perception. You can check your solutions using isometric views.
The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
Our body´s internal support structure to which skeletal muscles are attached.
Olfactory receptors produce electric signals when stimulated by odours.
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...
Humans have 4 types of teeth: incisors, canines, premolars and molars.
Systemic circulation carries oxygenated blood from the heart to the body, while pulmonary circulation carries oxygenated blood from the lungs to the heart.
This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was undoubtedly one of the most brilliant figures of the second...
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.
A widespread snail species, also popular as food.
The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.
An earthquake is one of the most devastating natural phenomena.
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.