With large swaths of the East Coast blanketed with smog, many are worried about their health. Mangala Narasimhan, director of critical care services at Northwell Health, offers some peace of mind with a handful of expert tips for coping with poor air quality.
A rare "ring of fire" eclipse was a spectacular show for millions of people across the Americas as the moon moved into place and blocked out all but a brilliant circle of the sun's outer edge.