Synthetic human embryos: can the law keep pace with the science?

Scientists have created synthetic human embryos using stem cells in
a groundbreaking advance that sidesteps the need for eggs or sperm.
Madeleine Finlay speaks to science correspondent Hannah Devlin
about her world exclusive story on this development, what it could
mean for medical research, and whether the ethical and regulatory
classifications of these embryos are keeping pace with the science.
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