Medical research

Study finds embryos in hungry mouse moms postpone development

It's challenging to sustain a pregnancy when food is short, or conditions are otherwise tough. That's why many mammalian embryos can postpone their growth to get through periods of environmental stress and then re-enter development ...

Cardiology

A growing understanding of the link between movement and health

A century ago, people threw medicine balls and did calisthenics to stay fit. Then came the hula hoop, vibrating belts and aerobics. People sweated to the oldies with Richard Simmons and felt the burn with Jane Fonda, before ...

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