Aviation, astrophysics, astronomy, materials science, peripheral engineering, mechanical engineering, chemical engineering, civil engineering, computing and neuroscience, computer science, electrical engineering, seismology, earthquake engineering, biology, molecular biology, neuroscience, geology, planetary science, chemistry, physics, mathematics, applied physics, control and power system, management, economics, sociology and so on.

Key disciplines: California Institute of Technology is the most famous discipline, with physics first, followed by engineering, chemistry, biology, aerospace, astronomy and geology.