Science is always changing and giraffes are no exception. Scientists recently found that there are actually four species of giraffe which evolved separately over the past 1.5 million years. Read the full transcript here: http://bit.ly/2cuZjJn

207 EE New Research Reveals There Are 4 Separate Species of Giraffes

How do astronomers photograph a black hole? How often do planes get hit by lightning? What does the EPA actually do? Science is all around us and transforming our world at a rapid pace. Extragalactic astrophysicist Sabrina Stierwalt is here to guide you through it. She'll help you make sense of the everyday and the once-in-a-lifetime. Rights of Albert Einstein are used with permission of The Hebrew University of Jerusalem. Represented exclusively by Greenlight.

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207 EE New Research Reveals There Are 4 Separate Species of Giraffes

207 EE New Research Reveals There Are 4 Separate Species of Giraffes

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