With over 37,000 students and more than 7,000 employees, the University of Copenhagen is the largest institution of research and education in Denmark. Niels Bohr Institute: Research at the institute spans astronomy, geophysics, particle physics, quantum mechanics, nanotechnology and biophysics. The Institute house 10 research groups and 12 science centers, of which the five conduct fundamental research. The Institute employs 145 full time and project based academic employees, 95 technical employees and 85 PhD-students as well as around 130 foreign researchers a year. The number of physics students is 710.