Originally Linnaeus's system relied purely on human judgement in order to compare the characteristics of various organisms. The development of microscopes allowed cells to be examined in far more ...

What is the NOVA method of food classification? Food processing ensures safety and shelf life by transforming raw components into new products. In the last several decades, this has changed in ...

In the Paralympic Games, as well as lots of different sports, there are also many different classifications. Classifications were introduced to make sure there's fair competition between athletes.