The Thracian Tomb of Sveshtari is one of the most impressive monuments of Thracian art.
The three main types of blood vessels in the human body are the arteries, the veins, and the capillaries.
Through positron emission tomography (PET), visual information on the internal organs can be obtained without making any surgical incisions.
The range of applications of unmanned aerial vehicles ('drones') keeps growing.
The brown rat is a rodent species that is widespread throughout the world.
An annual plant cultivated for its seeds and the alkaloid content of the seed pods.
The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.
This 3D scene presents the steps of the cement manufacturing process.
This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.
A species of coral native to the Mediterranean Sea. Its bright red calcareous skeleton has been a prized commodity since the last glacial period.
The Japanese sago palm is one of the best-known species of the genus Cycas.
Frank Lloyd Wright's well-known work is a masterpiece of modern organic architecture.
The world-famous limestone cave with its amazing cave paintings is one of the most important archaeological sites of Palaeolithic art.
One of the most important components of the microwave oven is the magnetron, which produces the microwaves.
The European river lamprey is a migratory species of jawless fish that feeds on the body fluids of other fish.
Tunicates are chordates, more closely related to vertebrates than invertebrates.
A metropolis is a large city with a population of over 1 million people.
The development of mosses, ferns, gymnosperms and angiosperms is characterised by the alternation of generations.
This scene presents the basic components of the human body.
Some principles of physics can be demonstrated through the functioning of bicycles.
The Maltese rock-centaury is the national plant of Malta.
The Chengdu J-20, also known as Mighty Dragon, is a multiple function stealth fighter aircraft.
A traditional Chinese siheyuan is a building complex that surrounds a rectangular courtyard.
