New Scientist quickly covers three theories of space and time in an informational video.
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The ever so popular Walmart growth map gets an update, and yes, it still looks like a wildfire. Sam’s Club follows soon after, although not nearly as vigorously.
We know spending changes when you have more money. Here’s by how much.
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.
See what we ate on an average day, for the past several decades.