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Geological Processes Can Be Rapid

For those trained to think in millions of years, these geological processes should sound surprising.

One Wrong-Handed Amino Acid Can Cause Vertigo

The rocks in your head that give you a sense of balance are finely tuned to spiral in a certain way.

Astrobiology Still Has No Biology

Number of worlds beyond Earth where life has been discovered: zero. Number of optimistic articles about life in outer space: hundreds per year.

Desperately Seeking Life Beyond Earth

Earth life cannot be unique. How about you, Mars? Europa, anything? Enceladus? Comet 67P? Please break the silence!

Living Stalactites and Other Geological Surprises

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

Snowflake Designers

Could any “useless” natural object composed of simple materials exceed the beauty of a snow crystal? As you wish for a white Christmas, think about two snowflake designers: one who makes them in a lab, and one who makes them in clouds.
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