sentence: Scientists study the way the parts of nature work.
sentences_before: The words 'nature' and 'natural' are used for all the things that are normally not made by humans. Things like weather, organisms, landforms, celestial bodies and much more are part of nature.
sentences_after: Things that have been made by people are said to be man-made or called artifacts.
concept_name: scientist
headings: Nature
categories: Bionics