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Snake species only seen a handful of times found after 20 years

After two decades, scientists spot the world's smallest known snake. This extremely elusive snake is known as the Barbados threadsnake.

0:40 • Source: CNN
Science Breakthroughs 9 videos
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Snake species only seen a handful of times found after 20 years
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• Source: CNN
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Americans love ultraprocessed foods. Science wants to know why
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