Microtubules are the largest type of filament, with a diameter of about 25 nanometers (nm), and they are composed of a protein called tubulin. Actin filaments are the smallest type, with a ...

Microtubules are major components of the cytoskeleton. They are found in all eukaryotic cells, and they are involved in mitosis, cell motility, intracellular transport, and maintenance of cell shape.

Could your thought at this moment or your hopeful feeling be microtubules? Those are indeed little tubes in your head and elsewhere in you. Could your thought or feeling be that funny stuff in Quantum ...

New research suggests that humanity may soon find an answer to one of its oldest and most profound questions: what is ...