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The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...
This creature can 3D-print its own body parts Bristle worms have protrusions that act like a 3D printer, helping us to understand how cells regenerate.
WhatsApp said it won’t use personal messages, calls and groups that a user is a member of to target ads to the user.
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