embryos

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Students In Science Class
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Darwin in the Classroom

After months of debate, the Ohio State Board of Education unanimously adopted science standards on Dec. 10 that require Ohio students to know “how scientists continue to investigate and critically analyze aspects of evolutionary theory.” Ohio thus becomes the first state to mandate that students learn not only scientific evidence that supports Darwin’s theory but also scientific evidence critical of Read More ›

Haeckel’s Embryos

In The Origin of Species Charles Darwin wrote that “the embryos of mammals, birds, fishes, and reptiles [are] closely similar, but become, when fully developed, widely dissimilar.” He inferred that all vertebrates “are the modified descendants of some ancient progenitor,” and that “the embryonic or larval stages show us, more or less completely, the condition of the progenitor of the whole Read More ›