Marble is a metamorphic rock that forms when limestone or dolomite is subjected to high heat and...
Miscellaneous
The word “glass” has a rich etymology that reflects its long and fascinating history. The word can...
The first electric Christmas lights were invented by Edward H. Johnson, a friend of Thomas Edison, in...
Opal is a precious gemstone that is highly valued for its unique play of color. While opals...
The first braces were invented in 1728 by French dentist Pierre Fauchard. These early braces consisted of...
Propane is a three-carbon alkane that belongs to the family of hydrocarbons, which are molecules composed of...
A chair is a sort of seat that is normally meant for one person and has one...
Hammers are a ubiquitous tool that has been used by humans for thousands of years for a...
Oxford University is the oldest university in the English-speaking world, having been established in 1096. The university...
Ethereum was created by Vitalik Buterin in 2014. Buterin was only 19 years old at the time,...
The first life forms on Earth are believed to have appeared around 3.5 billion years ago. These...
Astronauts are among the bravest and most capable people on the world. By travelling into space, performing...
