Medical research

Researchers build embryo-like structures from human stem cells

Research on human embryos is vital to understanding the earliest stages of human development. Currently, this research is conducted on surplus embryos willingly donated by individuals who have undergone in vitro fertilization. ...

Medical research

In a dish, a mouse, crafted from stem cells, begins to form

The tiny mouse embryo has a heart that beats. Its muscles, blood vessels, gut and nervous system are beginning to develop. But this embryo is unusual: It was made in a lab, out of mouse embryonic stem cells, and represents ...

Medical research

Pre-embryos made in lab could spur research, ethics debates

For the first time, scientists have used human cells to make structures that mimic the earliest stages of development, which they say will pave the way for more research without running afoul of restrictions on using real ...

Diseases, Conditions, Syndromes

Study suggests embryos could be susceptible to coronavirus

Genes that are thought to play a role in how the SARS-CoV-2 virus infects our cells have been found to be active in embryos as early as during the second week of pregnancy, say scientists at the University of Cambridge and ...

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