On Tue, Mar 19, 2013 at 9:43 AM, Bill Steele wrote:
> Update:
>
>
>
http://www.guardian.co.uk/science/shortcuts/2013/mar/18/scientists-clone-extinct-frog
>
>
> Sentence none of the other news reports seem to have noticed:
>
> "None of the embryos created survived for more than a few days."
>
>
>
> Bill Steele
> ws21 at cornell.edu
>
It should have been noted. However, I doubt that this represents
the researchers having run into some sort of insurmountable obstacle in
principle.
August
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