Rococo castle (Fertőd, Hungary)

The palace and park complex is Hungary´s grandest Rococo edifice,...

Germanic warrior (4th century)

Dreaded Germanic warriors spreading out from Northern Europe...

Tyrosine

One of the 20 amino acids that make up proteins. It contains an...

Methyl formate (C₂H₄O₂)

The ester of formic acid and methanol, an aroma compound found in...

Proline

One of the 20 amino acids that make up proteins. Its amino group...

Methionine

A sulphur-containing amino acid.

Tryptophan

One of the 20 amino acids that make up proteins. It contains an...

Recorder

The recorder is a woodwind musical instrument, a type of fipple flute.

Histidine

One of the 20 amino acids that make up proteins.

Threonine

One of the 20 amino acids that make up proteins.

Serine

One of the 20 amino acids that make up proteins.

Clothing (Western Europe, 1990s)

Clothing reflects the lifestyle and culture of the region's...

Isoleucine

One of the 20 amino acids that make up proteins.

Carbon monoxide (CO) (beginner)

Colourless, odourless gas, highly toxic to humans and animals in...

Oxygen (O₂) (beginner)

A colourless, odourless gas, an important component of the...

Nitrogen (N₂) (basic)

A colourless, odourless, non-reactive gas, it constitutes 78.1% of...

Carbon dioxide (CO₂) (beginner)

Colourless, odourless, heavier-than-air gas. Necessary for the...

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