This animation demonstrates the fine molecular structure and mechanism of muscles.
The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
Olfactory receptors produce electric signals when stimulated by odours.
Wind, as an external force, plays an important role in shaping deserts.
We can travel on dual carriageways on the motorway.
Deforestation has a negative impact on the environment.
A widespread snail species, also popular as food.
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 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.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
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.
Unicellular eukaryotes living in freshwaters, capable of feeding autotrophically and heterotrophically.
A type of large freshwater crayfish widespread in Europe.
Seawater, as an external force, plays an important role in shaping coastlines.