Waterfalls form where a river flows over a steep precipice in its course.
Structures consisting of enormous stone blocks, dating back thousands of years, are monuments of megalithic cultures.
The Hussites mastered the use of war wagons in the 15th century.
Quetzalcoatlus var en av de største kjente flygende dyrene gjennom tidene.
A regular square pyramid is a right pyramid with a square base and four triangular faces.
This scene presents the provinces and provincial capitals of the Netherlands.
Today called Dubrovnik, this Croatian city is known for its spectacular architecture and beautiful location.
Many of the most important food crops we consume belong to the family of nightshades.
Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.
Denne animasjonen hjelper deg med å lære det grunnleggende i forbindelse med å spise sunt.
Migrasjon av mennesker startet i oldtiden.
Denne 3D-en introduserer en tusenbeinart som er utbredt i Middelhavet.
Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.
Det finnes forskjellige typer instrumenter for å måle temperaturen.
The American bison is the largest land animal in North America.
The mosque, built in a distinctive architectural style, is the largest adobe structure in the world.
Lasers are devices designed to emit narrow, monochromatic, high-intensity beams of light.
Rimac Automobilis første modell er kjent som verdens raskeste elektriske kjøretøy.
Kosakker, medlemmer av det uavhengige semi-militære samfunn, spilte en viktig rolle i Ukrainas historie.