What If Humans Became Cold-Blooded?

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Have you ever met someone who always feels cold, even when everyone else is warm? We tend to joke that these people are "cold-blooded," but do we even know what that means?

Having cold blood involves more than just needing a few more blankets than everyone else. If we all suddenly became cold-blooded instead of warm, our lives would be completely different.

Why would we need to eat less food? Could we only survive in warm climates? And how might our cold blood help with space exploration? Here's what would happen if humans became cold blooded.

Transcript and sources: https://insh.world/science/what-if-humans-became-cold-blooded/

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