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An image of a "form" or plastic shell of Rodin's "thinker" being filled with elements, to illustrate a human as being carbon-based or "carbon-based form", or "carbon-based life form" (in defunct speak).[1]

In terms, carbon-based (LH:#) refers to things made of carbon; in the 20th century, humans were being referred to has "carbon-based" things.


In the 1960s, people began using the phrase “carbon-based life” as compared to “silicon-based life”, when theorizing about possible “life” on other planets, i.e. extraterrestrial life.

In c.1980, Arthur Clarke, in his essay "Greetings, Carbon-based Biped", was referring to people as "carbon-based bipeds"; the following is a representative image:[2]

Carbon-based biped.png

In 1990s, the term "carbon-based life form" began to become popular.

End matter

See also


  1. Anon. (2019). “Are you Really a Carbon Based Life Form?” (YT), Biocinematics, Jun 19.
  2. Clarke, Arthur C. (1999). Greetings, Carbon-Based Bipeds! Collected Essays, 1934-1998 (§25: Greetings, Carbon-Based Bipeds!, pgs. 479-82). Publisher.
  3. Anon. (2017). “Non Carbon-Based Life and the Shadow Biosphere” (Ѻ), Humanity Plus, WordPress, Jun 29.

External links

  • Carbon-based life – Wikipedia.
  • Anon. (2021). “What does ‘carbon based life’ actually mean? Are we made from carbon?” (Ѻ), r/ExplainLikeImFive, May.
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