As the globe warms, communities across the world are providing examples of how to adapt. David Biello reports

The conventional wisdom that pacifiers can interfere with early breast-feeding efforts might not hold milk. Katherine Harmon reports

New research suggests that the waste from dairy farms may be a bigger source of smog in Los Angeles than the region's millions of cars. David Biello reports

The anterior cerebral artery widens just before brain freeze, sending warming blood to the brain but increasing the pressure to painful levels. Katherine Harmon reports

Scientists are suggesting that the present day is part of a new era in the planet's history. David Biello reports

Fast food chains say it's hard to hold the salt, but outlets in other countries are already cutting back on sodium. Katherine Harmon reports

Baseball teams across the country are investing in renewable power for their stadiums. David Biello reports

Women who wish to conceive later in life have benefited from improvements in reproductive technology. But even those have expiration dates. Katherine Harmon reports

There are a wide variety of life forms that can come back to life. David Biello reports

Boys get more outside playtime than girls, and almost half of parents do not take their preschool-aged kids out to play once a day. Katherine Harmon reports