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The evolution of the shell-less chicken. Video: Sofa King Sick/YouTubeIt's an age-old question: Which came first—the chicken, the egg, or the chicken that was experimentally hatched without an eggshell by high school students in Chiba, Japan?We may never know the answer, but at least there is now delightful video evidence of the latter scenario. The clip chronicles a school project led by biology teacher Yutaka Tahara, who has been testing out techniques to incubate fertilized chicken eggs without their shells for years. This process allows students to watch the embryonic growth of chicks without having to crack an egg, which kills the developing fetus.
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