Breathing spreads the flu; What happens if we stop geoengineering? Your eyes are pointing your eardrums; Flipping Earth’s magnetic field; Animal athletes; and Freezing duck feet

Breathing spreads the flu; What happens if we stop geoengineering? Your eyes are pointing your eardrums; Flipping Earth’s magnetic field will lead to disaster; Animal athletes race for life and death; and Freezing duck feet

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