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The pancreas and the liver empty digestive juices into the duodenum.
Lymph vessels carry lymph to the blood vessels, while lymph nodes are integral parts of...
Eukaryotic cells contain a number of organelles.
The ribcage, the sternum and the spinal column together form the chest, in which the...
Bacteria occur in a wide range of shapes, including spheres, rods and spirals.
Bacteria are unicellular organisms that have no nuclei and are a few micrometres in length
Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes...
This animation shows the characteristics of domestic light sources, from traditional...
In loudspeakers sound waves are generated by electromagnetic induction.
The Buddhist pagoda of the six Harmonies is located in China, by the River Qiantang.
This animation demonstrates the internal structure of the brain.
The animation shows the two-seater Lunar Rover used in the Apollo 15 mission
Designated as the first National Treasure of South Korea, the Namdaemun was one of the...
Medieval Syrian water wheels were used to convey water to distant areas.
The inflammation of the vermiform appendix, which is connected to the cecum, requires...
The geographic coordinate system enables every location on the Earth to be exactly specified.
The orbits of the 8 planets in our Solar System are elliptical.
Formula 1 is the highest class and most popular type of motor racing.
The world famous monument in England still poses mysteries for archaeologist.
Carbon is bound in organic substances during photosynthesis, while during breathing, it...