As any historian of medieval East Asia or player of Civilization V: Brave New World will tell you, 15th century Koreans were really, really, really good at science.

A statue of King Sejong the Great in Seoul. Thanks, guy! Photo by Republic of Korea/Flickr.

Under the judicious rule of Sejong the Great, the kingdom's top researchers spent a lot of time looking at space and making maps of it.

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Food is something we all have a connection with — and not just because it keeps us alive.

Beyond the whole survival thing, food has a deeper meaning to most of us beyond chew, swallow, repeat. It plays a key role in many special occasions, from birthdays to weddings to funerals to political and religious traditions.

It serves as a centerpiece, gathering loved ones and strangers around it to feel comfort, energy, and security. No matter what’s going on around you, a good meal has the power to make everything feel OK, at least while it's being consumed.

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Gates Foundation: The Story of Food

"Libraries Transform"

That's the theme of this year's National Library Week, an annual awareness celebration sponsored by the American Library Association.

You might be wondering why something as ubiquitous as a library would need more attention, considering the fact they've been pretty major staples of civilization since at least 2600 B.C. But that's because you live in a time and place where information resources are readily available, so it's easy to take them for granted. And of course, the only reason we have books and knowledge and guidance right there at our fingertips is — you guessed it — libraries.

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