Gene switch makes us look like our animal cousins

An international team of biologists has discovered how the same genes are turned on in mammals, fish and amphibians early in embryonic development, making them look incredibly similar for a brief period of time.

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 than that of our ...

EU court: No patents for some stem cell techniques (Update 2)

The European Union's top court ruled Tuesday that scientists cannot patent stem cell techniques that use human embryos for research, a decision some scientists said could threaten major medical advances if it prevents biotech ...

For different species, different functions for embryonic microRNAs

(PhysOrg.com) -- When evolution has lucked into efficient solutions for life’s most fundamental problems, it adopts them as invaluable family heirlooms, passing them down as one species evolves into another. So it was reasonable ...

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