Fifty years since its discovery, scientists have finally worked out how a molecular machine found in mitochondria allows us ...

Every day, billions of cells in your ... Using cryo-electron microscopy (cryo-EM), a team of structural and molecular ...

This is a leaf surface under a scanning electron microscope. Both types of electron ... A pubic louse and its claws. Cancer cells splitting. A blood clot. And human sperm cells on the surface ...