Genetics

Genome editing of human embryos broadens ethics discussions

For several years, scientists have experimented on human embryos with a powerful genome editing tool called CRISPR to see if they could correct genetic errors or reduce the risk of disease. In September, Kathy Niakan at the ...

Genetics

Will CRISPR fears fade with familiarity?

The first "test-tube baby" made headlines around the world in 1978, setting off intense debate on the ethics of researching human embryos and reproductive technologies. Every breakthrough since then has raised the same questions ...

Genetics

Like a cut-and-paste tool, gene editing transforms research

Gene editing is getting fresh attention thanks to a successful lab experiment with human embryos. But for all the angst over possibly altering reproduction years from now, this technology already is used by scientists every ...

Obstetrics & gynaecology

Human reproduction likely to be more efficient than previously thought

How difficult is it to conceive? According to a widely-held view, fewer than one in three embryos make it to term, but a new study from a researcher at the University of Cambridge suggests that human embryos are not as susceptible ...

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