This animation demonstrates the anatomy of tulips, daffodils and snowdrops.
The naval battle fought by the British Navy against the German Navy was the largest sea battle in World War I.
Solomon's temple became one of the most important symbols of Jewish architecture.
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
Computer hard disk drives are devices of magnetic data storage.
Gladiators were combatants who entertained audiences in fights against each other or wild animals in ancient Roman arenas.
A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.
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.
The battleship USS Missouri, first deployed during WWII was also deployed in the Gulf War.
This animation demonstrates the geographical locations of the Earth's major cities.
The colonising powers´ colours were wiped off the map by the nations fighting to regain their independence.
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.
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 relationship between the pressure, volume and temperature of ideal gases is described by the gas laws.
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.