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Marine mammals, the largest known animals to have ever existed.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
This animation demonstrates the anatomy of tulips, daffodils and snowdrops.
Gladiatoriai buvo kovotojai, kurie senovės Romos arenose linksmino publiką tarpusavio kovose arba grumtynėse su laukiniais gyvūnais.
Computer hard disk drives are devices of magnetic data storage.
A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.
JAV karo laivas „Missouri“, pirmą kartą dislokuotas Antrojo pasaulinio karo metu, taip pat dalyvavo kovose Persijos įlankos kare.
Electric current can be generated by rotating an armature loop in a magnetic field.
Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.
Ši animacija demonstruoja didžiausių Žemės miestų geografinę padėtį.
Kolonizuojančios jėgos buvo ištrynę iš pasaulio žemėlapio tautas, siekiančias atgauti nepriklausomybę.
An Ames room is a distorted room that is used to create an optical illusion.
Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.
The relationship between the pressure, volume and temperature of ideal gases is described by the gas laws.
A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.
Assemble fragments of broken three-dimensional shapes by rotating the models.
The animation demonstrates the most important types of feathers and their fine structure.
Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.
Inventions in the 18th century resulted in huge advances in the development of the textile industry.