This article was originally published on Feb. 7, 2022. When I noticed our 14-year-old son drinking more water than usual, I commented to my husband that sudden thirst may be a sign of diabetes. We’re ...

The first light in the universe, the light used to push spacecraft and the light produced by kicking the head of a walrus. 1. God commanded, “Let there be light,” but it didn’t happen for nearly half ...

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Learn why Neanderthals were likely stronger than us, and that they likely weren't brutes.

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