Different atoms and ions possess characteristic energy levels. Like a fingerprint, they are unique for each species. Among ...

For the first time, quarks and gluons were used to describe properties of atomic nuclei, which until now had been explained by the existence of protons and neutrons. The temporary pair of correlated ...

Active galactic nuclei, energetic and luminous regions powered by an accreting supermassive black hole at the center of some galaxies, can launch a jet that drives a gas outflow, shaping star ...

Higher order structure in the nucleus : proceedings of the first British Society for Cell Biology-Company of Biologists symposium held in Manchester, April 1984 / organized and edited by P.R. Cook and ...