Swallowsville

An entertaining animation to practise orientation using a map.

Teatro Olimpico (Vicenza, 16th century)

The first indoor theatre in modern history to be constructed according to the...

Panthéon (Paris, 18th century)

The most important Neoclassicist building in France, completed in 1791, became the final...

Lactose (C₁₂H₂₂O₁₁)

A type of sugar found in mammalian milk.

Leaning Tower of Pisa (14th century)

The medieval bell tower of the Cathedral of Pisa is the most famous leaning tower of the...

The skull and the spine

The two main parts of the central nervous system, the brain and the spinal cord are...

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Polymerisation of ethene

Polymerised ethylene is known as polyethylene, a type of plastic.

Stearic acid (octadecanoic acid) (C₁₇H₃₅COOH)

Solid, white substance, a constituent of vegetable oils and animal fats.

Fullerene (C₆₀)

A crystalline allotrope of carbon which was discovered at the end of the 1980s.

RNA

A polynucleotid made up of phosphoric acid, ribose, and nucleobases (cytosine, uracil,...

Calcium carbonate (CaCO₃)

Limestone is a widely and diversely used material.

Chlorination of methane by a substitution reaction

During the substitution reaction the hydrogen atoms of methane are substituted with...

Soap

Fatty acid molecules consist of a polar head and a non-polar tail, therefore they are...

Formation of hydrogen molecules

Hydrogen atoms within hydrogen molecules are held together by a covalent bond.

Guillotine

The device designed to carry out executions more humanely than before was named after a...

Jamestown (17th century)

Jamestown, founded in 1607, was the first permanent English settlement on the east coast...

Working-class district (19th century)

Typical working-class districts with unhealthy living conditions were built at the time...

Medieval dungeon

A wide variety of torture devices were in use in medieval dungeons.

Viking longship (10th century)

These excellent shipbuilders and sailors travelled great distances on the seas and rivers.

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