The research team found that the evolutionary changes in venom in three different geographic locations occurred around the same time that early humans appeared in the fossil record in those areas.
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- Spitting Cobra venom reveals how evolution often finds the same answer to a common problem | ScienceDaily (sciencedaily.com)
- https://www.bangor.ac.uk/news/2021-01-20-spitting-cobra-venom-reveals-how-evolution-will-often-find-the-same-answer-to-a (bangor.ac.uk)
- https://www.science.org/doi/10.1126/science.abb9303 (science.org)
- https://news.cornell.edu/stories/2021/01/study-did-cobras-first-spit-venom-scare-pre-humans (news.cornell.edu)
- https://theconversation.com/spitting-cobras-may-have-evolved-unique-venom-to-defend-from-ancient-humans-153570 (theconversation.com)
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