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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.
Marine mammals, the largest known animals to have ever existed.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
This animation demonstrates the anatomy of tulips, daffodils and snowdrops.
The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.
The church consecrated to Saint Basil was commissioned by Ivan the Terrible.
Many freshwater fishes are also popular as food.
Metal atoms form a regular lattice structure.
The withdrawal reflex is a spinal reflex that ensures moving away from potentially damaging stimuli.
The building complex was one of the most important Benedictine abbeys for centuries.
The Ottoman army included janissaries (paid warriors) and sipahis (vassal knights).
Public schools in villages played an important role in education.
A type of herbivorous dinosaur easily recognisable by its large frill and three horns which lived in the Cretaceous period.
This animation demonstrates how a refrigerator works.
The French monarch got his epithet because of his opulent and extravagant lifestyle.
Cinemas were built in large numbers in big cities of the US in the 1910s.
Capacitors store electrical energy in the form of electric charge.
These tools, revolutionary even in their simplicity, are still in use today.
The dentition of different species of mammals reflect their feeding habits.