Hunter📈🌈📊(@StatisticUrban):Here's an example of ongoing human physiological change: some people have a third artery in their arm. Some don't. ~10% of people born in the 1880s had the third artery, but ~33% of late 1900s babies have one, and a 2025 Australian cadaver study found it in ~43% of upper limbs.

Hunter📈🌈📊

@StatisticUrban

Data scientist │ MS in CS, stats, biochemistry │ Current Econ MS student │ 🇺🇸🇩🇪🇬🇧 Policy-centered tweets about tech, bio, urbanism, economics, & politics

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Hunter📈🌈📊@StatisticUrban

2026.05.17 14:04

Here's an example of ongoing human physiological change: some people have a third artery in their arm. Some don't. ~10% of people born in the 1880s had the third artery, but ~33% of late 1900s babies have one, and a 2025 Australian cadaver study found it in ~43% of upper limbs.