There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds of stars around galaxies and in the motions of clusters of galaxies.

NASA and the American Physical Society (APS) have begun a partnership to share videos from the International Space Station with students, educators and science fans around the world.

HOUSTON, Feb.

Miguel A. Cazalilla, a scientist at the CFM (a joint CSIC-UPV/EHU center) and the Donostia International Physics Center (DIPC), together with other four colleagues from various institutions in Europe and the United States, was recently invited to write a review article that has been just published in the prestigious journal Reviews of Modern Physics of the American Physical Society, where only leading scientists in their field of physics are invited to contribute.

For millennia, writing has been the preferred way to convey information and knowledge from one generation to another.