Medical research

Researchers grow 'synthetic' embryo with brain and beating heart

Researchers from the University of Cambridge have created model embryos from mouse stem cells that form a brain, a beating heart, and the foundations of all the other organs of the body—a new avenue for recreating the first ...

Neuroscience

Neural pathway key to sensation of pleasant touch identified

Studying mice, scientists at Washington University School of Medicine in St. Louis have identified a neural circuit and a neuropeptide—a chemical messenger that carries signals between nerve cells—that transmit the sensation ...

Cardiology

Flipping a molecular switch for heart fibrosis

A healthy heart is a pliable, ever-moving organ. But under stress—from injury, cardiovascular disease, or aging—the heart thickens and stiffens in a process known as fibrosis, which involves diffuse scar-like tissue. ...

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