12 of humanity's most important first inventions

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12 of humanity's most important first inventions
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These are but some of the first things that our species ever invented.

Like other inventions on this list, writing was independently developed by different civilizations worldwide, with, for example, the first evidence of writing appearing in Mesoamerica around 3,000 years ago.

Clothing, made from animal skins and fur, was one of the first inventions to address this need. Clothing allowed early humans to survive in various environments and climates. The divergence of head and body lice, which are genetically different, suggests that clothing may have appeared around 100,000 toIf true, this would mean that body lice are adapted to live on clothing, whereas head lice live on the scalp. As for direct evidence, although early clothing was made of perishable materials, we have found tools that appear to have been made explicitly for creating clothing dating back around 40,000 years ago.

The first evidence of language is difficult to determine, as spoken language leaves no direct trace in the archaeological record. However, like clothing, we can make some educated guesses. We know, for example, that language must have predated writing, making it at least 6,000 years old. But it must be much older than that.

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