Researchers marvel at world's deepest sea vents

Researchers steering a remote-controlled submarine around the world's deepest known hydrothermal vents have collected numerous samples from sunless depths of the Caribbean Sea where blazing hot, mineral-rich fluid gushes ...

Scientists crack code on tracking zebras

Field biologists following thousands of wild zebras in Africa used to joke about how nice it would be to have a bar code reader to help them identify and catalogue individual animals.

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