| | > Academic Divisions Main About Caltech News & Events Research & Education Join Us Academic Divisions Caltech biologists work to reveal nature's mechanisms—how tens of thousands of components act in concert in cells, how organisms grow from single cells, how the brain maintains its consciousness, emotions, and superb computational capabilities, and what happens when any of those processes goes awry. Caltech's chemists and chemical engineers study nature's most intricate processes on scales from the subatomic to the macroscopic. Their discoveries lead to the creation of revolutionary tools, molecules, and materials for medicine, clean energy, environmental protection, and more.  Caltech's engineers and applied scientists invent the future, working across a wide variety of disciplines an
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