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Cells Teach Humans About Design

Biomimetics extends to the cellular level, where extraordinary processes show engineers the right way to do things.

Fossil DNA Stuns Geologists

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

Living Stalactites and Other Geological Surprises

Dripstones in caves can be made by microbes, some speleologists find. That's among several recent geological surprises.

Homage to Diatoms

Twenty percent of the air you are breathing came from tiny animals living in crystal cathedrals.
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