Search Results: "Mastic"

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• 11:53 Popular

  The Digestive System: CrashCourse Biology #28

  1,065 views / 6 likes - added 9 years ago

  Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like Crash Course? http://www.facebook.com/youtubecrashcourse Follow Crash Cours

• 03:56

  Science Bulletins: Skull X-Rays Reconstruct Extinct Carnivores’ Bite

  673 views / 0 likes - added 8 years ago

  Some carnivores eat only meat, while others are more omnivorous. To understand how and when these differences in carnivore feeding may have evolved, Museum paleontologists captured X-ray scans of skulls from living and extinct species. They reconstructed

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