“Let’s rest, and I’ll tell you how I recreated Maya blue.” The Sacred Cenote in Chichen Itza, Yucatan, Mexico, is a natural well used by the Maya in religious ceremonies, including human ...

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Reducing blue-light on your Windows PC, Mac, or Chromebook is a good way to protect your circadian rhythm and reduce eye strain. While you can download third-party apps, the latest versions of the ...