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The color of alien pants

On June 4, Peggy Kolm posted her article Red hills of distant planets. Prior to that date, one title proposed for the article was “The color of alien plants”. During a discussion about the article, the proposed title was misheard as “The color of alien pants“. And the idea for this article was born.

Really, what color would alien pants be? And for that matter, would they wear them at all? This isn’t to suggest that all aliens are exhibitionists: maybe they just don’t need clothing.

Human use of clothing dates back (most likely) between 100,000 and 500,000 years. Its main purpose (initially) was protection against environmental threats; as humans evolved and lost natural physical protections like body hair, we needed extra help surviving harsh weather and difficult terrain. Clothing has evolved along with us, growing more sophisticated as we have: sewing needles date back as far as 30,000 years; flax fibers are known to have existed 30,000 years ago; and there’s strong evidence that humans have been weaving for a good 10,000 years or more.

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