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Fossil DNA Stuns Geologists

None of them would have believed DNA could survive over a million years. They have no explanation for its preservation.

Earth's Geodynamo: An Energy Crisis

A new theory to maintain Earth's magnetic field looks like a case of special pleading to rescue a dogma.

Buck Up; We're Stuck on Earth

Star Trek is out, scientists have found. Our bodies can't take extended space travel.
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