Scientists have discovered a worm that lived alongside the woolly mammoths and has been frozen for about 46,000 years in Siberian permafrost.

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California Temperatures Could Top 120 Degrees This Weekend
More than a third of Americans were under extreme heat advisories, watches and warnings Thursday as a blistering heat wave that's been baking the nation spread further into California, forcing residents to seek out air conditioning or find other ways to stay cool in triple-digit temperatures.
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