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Viduramžių sklandytuvas, kurį pastatytė Abasas Ibn Firnas.
Al-Jazari suprojektuotas vandens siurblys yra puikus viduramžių arabų inžinierių kūrybos pavyzdys.
Viduramžių arabų išradėjas Hassanas Al Rammahas suprojektavo pirmąją pasaulyje veikiančią torpedą.
Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.
Alkanai - sotieji angliavandeniliai, kuriuos galima surikiuoti į homologinę eilę.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.
Change of light conditions in different seasons. Calculating height using shadows.
The saker falcon is a large bird of prey widespread in Europe and and Asia.
Viename iš Alpių ledynų buvo rasta "Ledo žmogaus", kaip manoma, gyvenusio eneolito laikotarpiu, mumija.
An orthopaedic disease of the foot, in which the longitudinal arch of the foot, formed by the tarsal bones, collapses.
Aminorūgštys, sudarydamos baltymus, yra sujungtos peptidiniais ryšiais.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.
Plants are capable of converting inorganic substances (carbon dioxide and water) into organic sugar.
The animation helps to develop space perception and navigation in space using space coordinates.
By varying the position of the light source, you can examine the shades projected onto the planes of the coordinate system.
The theorem formulated by Leonhard Euler describes one of the basic properties of convex polyhedra.
The Rietveld Schröder House, located in the town of Utrecht in the Netherlands, can be considered a forerunner of modern houses.
The Roman army, led by Flavius Aetius, stopped the Hun invasion led by king Attila
The Orthodox church, situated on a picturesque cliff, was named after John the Apostle