Korva muuttaa ilman värähtelyn hermoärsykkeiksi, jotka ihminen aistii ääninä.
Tavallisin bensiiniauton voimanlähde on ottomoottori.
Voit tutustua ihmiskehon tärkeimpiin elimiin ja elimistöihin.
Maailman kuuluisin linnavuori, Ateenan Akropolis on rakennettu Perikleen kaudella, 400-luvulla eaa.
Renessanssineron työhuoneessa Firenzessä voit ihastella hänen tärkeimpiä keksintöjään ja taideteoksiaan.
Muinainen lihansyöjädinosaurus ja tunnetuin hirmulisko.
Ihmisen toiminta kuormittaa ja saastuttaa ympäristöä monella eri tavalla.
Jurtta on telttamainen Aasian paimentolaisten käyttämä asumus.
Venetsia nousi keskiajalla kukoistukseen vilkkaan kaupankäynnin ja merenkulun ansiosta.
The cave paintings in the Tsenkher Cave, formed in limestone, make it one of the most significant archaeological sites of the Palaeolithic Era.
The 3D scene presents Mercury's scorching surface, Venus' hellish atmosphere, the Moon's barren landscape, and Mars' red desert.
Explore the lava lakes on Io, the mysterious icy world of Europa, the haze-shrouded surface of Titan, the shattered land of Miranda, the icy geysers on Triton and the frozen, mystic plains of Pluto.
Learn about the operation of locks and padlocks from 2000 BC to the present day.
Sugar cane, cultivated in tropical or subtropical regions, is the primary raw material for sugar production.
The reconstruction of this unique settlement allows you to learn more about the daily lives of people in the Bronze Age.
The hydrogen bomb unleashes the destructive power of the stars' fire upon humanity.
Learn about weapons and devices used during medieval sieges.
Young children can learn the basics of directions and programming in a playful way.
Learn about the locations, key figures and battles of the Ottoman siege of Malta.
Explore the splendour of Bratislava Castle (the Baroque palace and the garden) in the era of Maria Theresa.
The catalytic converter is a special filtering device that neutralises harmful exhaust gases emitted by cars through chemical reactions before being released into the atmosphere.
The saguaro is one of the tallest and best-known cactus species in the world. It is also the official state symbol of Arizona.