Previous Article Next Article Table of Contents Nature, Vol.575, No.7781, 17-18, 2019 Export Citation PRIMATE EMBRYOS GROWN IN THE LAB FOR LONGER THAN EVER BEFORE Cyranoski D The 20-day-old monkey embryos could reopen the debate about how long the human variety should be allowed to grow in a dish. Please enable JavaScript to view the comments powered by Disqus.
