Medical research

'Hulk' protein, Grb10, controls muscle growth

Scientists have moved closer toward helping people grow big, strong muscles without needing to hit the weight room. Australian researchers have found that by blocking the function of a protein called Grb10 while mice were ...

Cardiology

New miniature heart could help speed heart disease cures

There's no safe way to get a close-up view of the human heart as it goes about its work: you can't just pop it out, take a look, then slot it back in. Scientists have tried different ways to get around this fundamental problem: ...

Cardiology

Researchers are upbeat about cardiac regeneration

Think of them as the Energizer Bunnies of the heart, tiny natural batteries that keep this vital organ beating 100,000 times a day as it pumps 2,000 gallons of blood throughout the human body.

Genetics

'Junk DNA' drives embryonic development

An embryo is an amazing thing. From just one initial cell, an entire living, breathing body emerges, full of working cells and organs. It comes as no surprise that embryonic development is a very carefully orchestrated process—everything ...

Health

Exercise boosts brain health with chemical signals, study shows

Physical activity is frequently cited as a means of improving physical and mental health. Researchers at the Beckman Institute for Advanced Science and Technology have shown that it may also improve brain health more directly. ...

page 1 from 11