A team of researchers has identified a new three-dimensional shape, named the scutoid. The details of this discovery are ...
Morning Overview on MSN
Why animal pupils vary, from vertical slits to horizontal bars?
A domestic cat’s eye narrows to a razor-thin vertical slit in bright sunlight, while a grazing sheep stares out through a ...
This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The brain has a problem. Information can only ...
Organisms start from one cell, which divides, again and again, building 3D tissues into a body. Epithelial cells form linings, like the skin and outer layers of organs, and lay the foundation for ...
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