"We've been tracking children's growth from birth all the way through to adulthood, and the fastest period of growth is clearly the first couple of years during infancy," Sean Cumming, a professor in ...

This classic indoor exercise machine has some tricks up its sleeve. Here are four workouts, for runners and walkers, to get ...

The tallest plants alive today can grow to over 100 meters tall. But they evolved from ancestors that were just a few ...