The Federal Aviation Administration (FAA) has ruled that American
airlines must carry heart defibrillators and other items on all but the
smallest of aircraft in case of midair medical emergencies. National
Geographic Today interviews a National Geographic Traveler
magazine editor about the significance of the FAA ruling.
New dating analysis indicates that the ancient Peruvian site of Caral may have been one of the first urban centers in the Americas. The finding, reported in Science, points to the existence of a powerful settlement that thrived more than a thousand years before other known cities.