A peculiar spiny fossil, once thought to represent one of the earliest mollusks, has now been conclusively reclassified by ...

The fossil, Shishania aculeata, was originally thought to be an early mollusc, a group that includes snails and clams.

Engineers have invented a sponge-like device that captures water from thin air and then releases it in a cup using the sun's energy, even in low humidity where other technologies such as fog ...

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