— Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. No one knows how many there are, what ...

There is scarcely a mechanical combination of any kind into which toothed or gear whecls do not more or less enter into the arrangement. Their advantages for conveying motion are so obvious and ...

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We may earn commission if you buy from a link. Why Trust Us? Researchers found a mummified saber-toothed cat in Russian permafrost. Despite being at least 35,000 years old, the cub retained most ...

Comprehensive screening analysis of organohalogen compounds in blubber samples of 11 toothed whale species stranded on ...