The Right Level of Exercise to Keep a Healthy Heart (Over 40)

The Right Level of Exercise to Keep a Healthy Heart
Exercise capacity is a well-established predictor of cardiac mortality in women, but now a new study indicates how much exercise is enough.

Bottle-fed grizzlies make nice for science
PULLMAN, Wash. - On the leading edge of grizzly bear research, sometimes it all comes down to baby bottles, pacifiers and kiddie pools. With its half-dozen pens and 2.2-acre exercise yard, the bear center, cobbled together from an old primate research