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Must Aging Presuppose Deterioration?

There's nothing in biology that prevents longer life – at least in theory.

Fossil Soft Tissue: An Apatite for Rotten Fish

Scientists put up with the smell of rotting sea bass for 2.5 months to learn why some fossils preserve soft tissues. They didn't learn much.

Sheep Mummy Shows Limits on DNA Longevity

Under ideal conditions for preservation, DNA from a sheep in a salt mine lasted 1,600 years. But could it last millions?

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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