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Videos from Half as Interesting, AsapSCIENCE, and It’s Okay To Be Smart
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Why is blue so rare in nature? Why didn’t ancient people “see” blue? And why does Japan’s blue look green to everyone else?
![Long slide looms for world population, with sweeping ramifications that are hard to fathom [NYTimes paywall]…](https://salvationprosperity.net/wp-content/uploads/2021/05/long-slide-looms-for-world-population-with-sweeping-ramifications-that-are-hard-to-fathom-nytimes-paywall-327x219.jpg)
