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Thank Van Allen's Belts and Richter's Rockets

Invisible shields above the Earth protect us all from dangerous radiation. New space probes explore how they do it.

Physical and Geological Hurdles on the Darwinian Race

Can the smooth big-bang-to-brain story of evolution jump the physical and geological hurdles along the way?

Star Trek for Real: Impenetrable Force Field Protects Earth

Radiation belts discovered at the dawn of the space age have a new trick in their pocket: shielding the Earth.
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