Glasbergen Cartoons by Randy Glasbergen for November 21, 2018

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    SHAKENUP  about 6 years ago

    Stem cells have strong competition from 3-D printers.

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    1MadHat Premium Member about 6 years ago

    All kinds of human stem cells are available and are being used now. It’s just that embryonic stem cells are easier to work with – the sticking point is that Laws prohibit using any new sources of them.

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