Kids' fitness has declined for several decades, but kids in rich countries are showing improvement. What does this suggest for kids in poor countries?
Athletic ability is often linked to size – of muscles and bones. New studies are suggesting, however, that the relative size of two fingers could be more predictive of ability.
With little action at the national level on climate change, state and city officials are taking the lead – but by emphasizing local benefits.
Kids in the U.S. are not as fit as we might think, based on our the success of our athletic superstars. Why do we lag? It might have to do with inequality.