Formic acid is the simplest carboxylic acid.
Uranus is the 7th planet from the Sun, a gas giant.
Oxygen carrier protein in our red blood cells.
A polynucleotid made up of phosphoric acid, ribose, and nucleobases (cytosine, uracil, adenine and guanine).
Neurons are cells specialised for transmitting electric signals.
The aircraft manufactured by the British de Haviland company was the world's first mass-produced commercial jetliner.
The marathon running event was instituted in commemoration of the run of a Greek soldier after the Battle of Marathon, fought between the Athenian and the...
One of the greatest archaeological finds of the 20th century was the tomb of the Egyptian pharaoh.
The animation offers a summary of the history of aviation from the Middle Ages.
The Greek fleet owed their success to their good tactics and their fast and easily manoeuvrable ships.
A crystalline allotrope of carbon which was discovered at the end of the 1980s.
More than one million people died in the WWII Nazi death camp located in present-day Poland.
One of the oxoacids of nitrogen. A colourless compound with a pungent odour, a strong oxidant.
One of the most common types of flatworms.
Articulated lorries play an important role in road transport.
The American Civil War was fought between the Confederacy and the Union.
The length of the metal frameworks of bridges change when the temperature changes.
Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.
This animation demonstrates the mechanism and operation of record players.
An air conditioner cools the air inside by drawing heat away and releasing it outside.