Although sunflowers are commonplace, they are actually an American native. From North and South America, sunflowers, or Helianthus, come in close to 100 different varieties. Sunflowers were used by Native Americans for their seeds and oils long before Van Gogh and Gaugin painted them.
Related Facts
A school district in California considered prohibiting the use of Merriam-Collegiate Webster's Dictionary.
Scientists thought this dinosaur-era tree went extinct 150 million years ago — but then it was found growing wild in Australia.
Not all the useful DNA in your chromosomes comes from your ancestors some of it was borrowed from elsewhere.