SN Online

DELETED SCENES BLOG
An orbiting camera catches dust devils whirling at high speeds on the Red Planet. Read “HiRISE clocks hurricane-speed winds on Mars.”

ATOM & COSMOS
Astronomers get a new odometer to measure faraway objects. See “Longer cosmic ruler based on black holes.”

ENVIRONMENT
A warming climate could be making elk more destructive to forests. Read “When snowpack shrinks, elk can binge on aspen.”

Some kinds of pollen can precipitate more than allergies. See “ Cloud seeding by trees could alter precipitation, climate .”

From the Nature Index

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