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It Turns Out Your Sperm Is Full of DNA Packed as Tightly as Tetris Blocks

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Analysis of fossil whale skulls provides evidence that during the late Miocene, multiple shark species that include the megalodon, great white shark, and mako shark used to feed on the foreheads and noses of sperm whales (Physeteroidea) for the fatty organ's stores of nutritious blubber and oil.

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Fertility: Sperm screening might detect harmful mutations before embryo implantation

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What was megalodon's favorite snack? Sperm whale faces