September 12, 2006
Virus Babies

New Scientist is carrying this article detailing a remarkable discovery about "viral stowaways" and their role in mammalian embryo development:

New research in live sheep has demonstrated for the first time that they help embryos change shape, implant themselves in the womb and grow a placenta. The same almost certainly happens in other mammals, including humans, they say.

The mind boggles.

Posted by scott at September 12, 2006 12:01 PM

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