Constant sun exposure can spur on wrinkles and cause spotting on your skin. But research suggests it's the heat - not just the rays - that can cause even more, initially less visible, damage: biological aging.
The scenes of communal and joyful engagement depict ordinary lives continuing amidst global events, while the stark contrasts of celebration and conflict remind us of broader societal issues.
"When the polar jet stream zips more or less evenly around the Arctic, the continental U.S. and other midlatitude locations remain relatively warm because it keeps cold air trapped to the north."