Last year it was canned air. This year, the lucky ones in China get to inhale pristine mountain air, from a bag.
Tiny puffs of air from 1.5 million years ago may be locked inside bubbles in the ice nearly two miles beneath Antarctica's surface. Continue reading →
Earth's self-cleaning system works better than expected.
Atmospheric waves generated from ocean heat may provide a new explanation for why western cities are usually warmer than eastern cities despite similar latitudes.