#Physical Review Letters

Author: Emily Conover / Source: Science News The cosmos doesn’t care whether you’re looking up or down, left or right: In all directions, the universe is expanding at the same clip. When compared across large swaths of the sky, expansion rates agree to better than 1 percent, researchers report in

Author: Paul Ratner / Source: Big Think A new paper uses string theory to propose a new model of the Universe. The researchers think our Universe may be riding a bubble expanded by dark energy. All matter in the Universe may exist in strings that reach into another dimension. Our Universe

Author: Emily Conover / Source: Science News A proton’s mass is more just than the sum of its parts. And now scientists know just what accounts for the subatomic particle’s heft. Protons are made up of even smaller particles called quarks, so you might expect that simply adding up the quarks’

Author: Emily Conover / Source: Science News Knotlike structures called skyrmions might help scientists untangle the inner workings of atomic nuclei, a new study suggests. A skyrmion is a tiny disturbance in a substance, a swirling pattern that, like a knot, is difficult to undo. In the 1960s,

Author: Emily Conover / Source: Science News A heavy element’s nucleus is all bent out of shape. Nobelium — element number 102 on the periodic table — has an atomic nucleus that is deformed into the shape of an American football, scientists report in the June 8 Physical Review Letters. The