Earth & Environment

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illustration of a clock and earth

YOUNG AT HEART  A clock placed at the Earth’s center would run slower than one on your nightstand. That means Earth’s core is 2.5 years younger than its surface, new calculations suggest.

solar flare

SUPERFLARE  Gusts of solar wind from the young sun produced life-supporting molecules, researchers propose. The solar flares probably compressed Earth’s magnetic field (blue lines) and sent particles raining into the atmosphere, as shown in this illustration. 

CLOUD COVER  Shrinking the ice particles in cirrus clouds by blasting them with a laser could provide a method for tweaking the planet’s temperature. Scientists tested this technique in the lab, producing laser-induced explosions in ice particles.

Earth & Environment

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