When your Peeps have gone stale, it's time to donate their marshmallow bodies to science — specifically, for measuring the speed of light. From time to time, NPR's science desk creates videos that ...
Picture this: you’re standing in front of a pile of glistening avocados at a grocery store. You snatch one up, put it in your cart, and wheel off dreaming of nachos and guacamole — a completely ...
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