In 1692, artist A. Boogert published a guide to watercolors, showing the thousands of possibilities of mixing 31 shades. Nicholas Rougeux, as per his specialty, modernized the work into an interactive diagram.
Diagram of watercolors from the 17th century
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Happiness and Meaning in What We Do
There are things that make us happy. There are things where we find meaning in the everyday. What are the things that give us both?
Americans are Growing Bigger
We keep getting bigger. Watch overweight and obesity rates move up over several decades.