Traditional cattle herds' diversity hit by selective breeding

Decades of selective breeding and intensive agricultural practices have reshaped cattle genetics—often at the expense of valuable diversity preserved in traditional herds—according to new research from Aberystwyth University.

Phages unlock essential vitamin B12 by bursting open gut bacteria

All living organisms need vitamin B12 to form red blood cells and DNA, as well as to build and support brain and nerve cells. But it's hard to come by: Humans don't make it. Animals don't make it. Plants don't make it. In ...

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