Didn't we already know this? (New feature!)

I've decided to try a new feature here called, "Didn't we already know this?"

Scientific studies are great, but too often the results just confirm what we already knew from experience. Perhaps the study will prove to be helpful, but the titles make me want to scratch my head in wonder at the things we'll spend time, money and energy to prove.

Today's winner headlines:

Rudeness at Work Causes Mistakes

Brain's Energy Restored During Sleep, Suggests Animal Study

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