TEHRAN (ANA)- Scientists at Brookhaven National Laboratory observed photon-deuteron collisions to gain insight into the gluons that bind the building blocks of matter and what it takes to break protons and neutrons apart.

TEHRAN (ANA)- Cold ytterbium atoms were used by scientists at Kyoto University to test a fundamental theory which describes phenomena in solids such as magnetism and superconductivity.

TEHRAN (ANA)- The secret to directly detecting dark matter might be blowing in the wind, scientists at Lawrence Berkeley National Laboratory in California said.

TEHRAN (ANA)- An experiment in orbit by researchers at the Frankfurt Institute for Advanced Studies in Germany confirmed, with precision a hundred times greater than previous efforts, that everything falls the same way under the influence of gravity.

TEHRAN (ANA)- The subatomic particles are built of smaller particles called quarks, which are bound together by a powerful interaction known as the strong force and new experiments by scientists at Temple University in Philadelphia showed that the quarks respond more than expected to an electric field pulling on them.

TEHRAN (ANA)- Physicists at Lawrence Livermore National Laboratory in California and the University of Rochester in New York showed that, under certain conditions, waves made up of groups of photons can move faster than light.