News tagged with embryos

Evolving a bigger brain with human DNA

The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math. But how did the human brain get larger ...

Feb 19, 2015
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How do vertebrates take on their form?

A simple physical mechanism that can be assimilated to folding, or buckling, means that an unformed mass of cells can change in a single step into an embryo organized as a typical vertebrate. This is the ...

Feb 16, 2015
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Identifying the source of stem cells

When most animals begin life, cells immediately begin accepting assignments to become a head, tail or a vital organ. However, mammals, including humans, are special. The cells of mammalian embryos get to ...

Oct 30, 2014
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