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  • News

    High-temperature superconductivity record awaits confirmation

    SAN ANTONIO — Superconductors are finally heating up. A recent experiment is raising hopes that for the first time in two decades, physicists have set a record high temperature at which a material can transport electrical current with no resistance.The material, a compound of hydrogen and sulfur, must be compressed at extreme pressures to become superconducting. And the temperature at which it...
    03/06/2015 - 15:26 Condensed Matter
  • News in Brief

    Remote star clusters discovered on edge of Milky Way

    Two clusters of stars have been found in a cloud hovering on the outskirts of the galaxy. Thousands of light-years from the spiral arms of the Milky Way, the clusters are the most distant ever observed in the galaxy, scientists report online February 26 in the Monthly Notices of the...
    03/06/2015 - 15:05 Astronomy
  • Wild Things

    How a young praying mantis makes a precision leap

    View the videoBefore they grow wings and fly, young praying mantises have to rely on leaps to move around. But these little mantises are really good at jumping. Unlike most insects, which tend to spin uncontrollably and sometimes crash land, juvenile praying mantises make precision leaps with perfect landings.But how do they do that? To find out, Malcolm Burrows of the...
    03/06/2015 - 14:56 Animals, Biophysics
  • Feature

    Sam Ting tries to expose dark matter's mysteries

    In the near vacuum of outer space, each rare morsel of matter tells a story. A speedy proton may have been propelled by the shock wave of an exploding star. A stray electron may have teetered on the precipice of a black hole, only to be flung away in a powerful jet of searing gas.Since 2011, the International Space Station has housed an experiment that aims to decipher those origin stories. The...
    03/06/2015 - 12:27 Particle Physics, Cosmology
  • News

    Dawn spacecraft arrives at dwarf planet Ceres

    The Dawn spacecraft has arrived at the dwarf planet Ceres.After 7½ years trekking across the solar system — including a stopover at the asteroid Vesta — Dawn pulled up alongside Ceres March 6 and let the dwarf planet’s gravity take over, pulling the probe in for a closer look. In six more weeks, Dawn will be close enough to Ceres to begin its 14-month...
    03/06/2015 - 09:47 Planetary Science
  • News

    Light trick can retrieve missed messages

    SAN ANTONIO — Light may travel at the speed of light, but the information it carries doesn’t have to. Three physicists have proposed a way to receive light-based messages even when the light itself has already flown by.The communication technique, detailed March 2 at the March meeting of the American Physical Society and in...
    03/05/2015 - 15:18 Quantum Physics
  • News

    Supernova hurls star out of the galaxy

    Some stars are in a rush to get out of the galaxy. One such star is hurtling away from the Milky Way at roughly 4.3 million kilometers per hour, researchers report in the March 6 Science, making it the fastest-moving star to be ejected from our galaxy.The escapee, designated US 708, might have been propelled by a...
    03/05/2015 - 14:00 Astronomy
  • Science Ticker

    Hubble telescope sees quadruple

    The Hubble Space Telescope is seeing quadruple. Four images of the same supernova flashed in the constellation Leo as its light bent around a galaxy sitting about 6 billion light-years away between Hubble and the exploding star, researchers report in the March 6 Science.The light from the supernova, nicknamed...
    03/05/2015 - 14:00 Astronomy, Cosmology
  • Science Ticker

    Dawn spacecraft on final approach to Ceres

    The finish line is in sight for the Dawn mission. After 7 1/2 years in space, including a 14-month stop at the asteroid Vesta, the spacecraft is about to pull up alongside the dwarf planet Ceres.Around 7:20 a.m. Eastern time on March 6, Ceres’ gravity will take hold and start to pull the spacecraft in. The probe...
    03/05/2015 - 13:30 Planetary Science
  • News

    Killer whales follow postmenopausal leaders

    A clue to the evolution of menopause may come from older female killer whales who often take the lead in salmon hunts.Among the whales that feast on chinook along the coast of the Pacific Northwest, females past reproductive age often lead hunting parties, especially in fish-sparse years, says Lauren Brent of the University of Exeter in England.Male killer whales rarely live longer than 50 years...
    03/05/2015 - 12:00 Animals, Evolution