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Cryo Electron Microscopy
Chemistry and Materials Sciences

Cryo-Electron Microscopy: Seeing Molecules in Frozen Glass

Cryo-electron microscopy (cryo-EM) images biological molecules frozen in vitreous ice, preserving their natural shape and producing 3D structures at near-atomic resolution.

Absolute Zero
Physics and Mathematics

Absolute Zero: The Temperature Nothing Can Reach

Absolute zero is the lowest temperature matter can reach, 0 kelvin or -273.15 degrees Celsius, where atoms occupy their lowest energy state but...