Remarkable civil engineering works to continue the Netherland's centuries-long fight against the sea.
This animation demonstrates the process of star development for average and massive stars.
The Northern white-breasted hedgehog rolls into a ball to protect itself.
A long pipe in the centre of the tower penetrates the ocean bed until it reaches the layer that contains oil.
This animation demonstrates the structure and operation of digital cameras.
Before the American Civil war the use of slaves on plantations was typical in the Southern states.
As opposed to opencast mines, in underground mines the layers covering coal are not removed, coal is extracted from mine shafts.
Industrial estates provide infrastructure and services for companies.
An extinct group of Cephalopoda, with solid external skeletons. They are excellent index fossils.
A mammal with features typical of reptiles: it lays eggs and has a cloaca.
A spacecraft on its path is in a constant state of free fall.
A prehistoric flying reptile, similar to birds. However, there is no direct evolutionary link between the two.
This animation demonstrates the structure and operation of different types of optical disc drives.
This animation demonstrates different types of soil.
Quetzalcoatlus was one of the largest known flying animals of all time.
The earliest version of the lute appeared in ancient Mesopotamia.
The naval battle fought by the British Navy against the German Navy was the largest sea battle in World War I.
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
Marine mammals, the largest known animals to have ever existed.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.