Barely known to the average westerner, sorghum shares a 5000-year relationship with human beings and is the fifth most important cereal crop in the world. What else don't you know about it?
Sorghum
Cod
Cod is among the most important food fish in the world, and cod liver oil has been a popular dietary supplement for centuries at least. So let's show a little appreciation for the Gadidae, shall we?
Mangosteen
One of the many popular world fruits that is virtually unknown in North America, the mangosteen is also a close relative to the source of one of the most recognizeable colors in the world.
Alunite
If you know even one of the important uses of this under-the-radar mineral, then you probably either work in one of the many industries that use it -- or you've already read this article.
Crazy Useful 