KC

Krista Carothers

Krista Carothers

Experience

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Articles

Why Dolphins Are the Second-Smartest Creatures on the Planet

These big-brained marine mammals are chatty, playful creatures that we humans find it easy to identify with, but scientists are just starting to understand everything that they're capable of.

9 of the Oldest Artifacts Ever Discovered

Humans and our ancestors have been creating tools, art, and everyday objects for millions of years, and each unexpected discovery teaches us something new about the development of our species.

30 Things You Probably Never Thought About—Until Just Now

Solve all the mysteries you stop and ponder for a split second (and then forget to look up later).