Cryoelectron microscopy is a method for imaging frozen-hydrated specimens at cryogenic temperatures by electron microscopy. Specimens remain in their native state without the need for dyes or ...

Ancient Nubians who lived between the 7th and 9th centuries tattooed the cheeks and foreheads of their infants and toddlers. This surprising discovery was made during a systematic survey of more than ...

Electron microscopy uses a beam of electrons to illuminate a sample and achieve much higher spatial resolution than light microscopy. Transmission electron microscopy generates an image of the ...

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