We saw math principles in nature. Now how about charts? Andy Woodruff does some sniffing around in Google Maps to find charts in rural landscapes. Above, you’ve got your polar area charts in Bolivia. It looks like an agricultural area. I have no idea how that kind of layout would be more efficient than squares though. Then again, I’m no farmer. Other chart types include pies, bars, and treemaps. Can you find anymore?
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Fast Food Menu of Calories
How does the distribution of calories vary by fast food restaurant? Here’s a chart that shows all the menu items for ten of the biggest national fast food chains.
It’s hard to think of much else. These maps show the racial divide between black and white people in major cities.
How Much You Should Be Saving for Retirement
There are a lot of variables to consider, but for people of middle income, here’s a suggestion, based on when you start saving and when you want to retire.