Latest from Science News: Migrating ibises take turns leading the flying V

Latest from Science News 02/03/2015 Become a Subscribing Member» SCIENCE TICKER Migrating ibises take turns leading the flying V BY HELEN THOMPSON, FEB 02, 2015 06:00 PM During migration, ibises flying in a V formation cooperate and take turns flying in wake to save energy, a new study suggests. Read More Read More» SCIENCE TICKER New particle may be made of four quarks BY ANDREW GRANT, FEB 02, 2015 04:48 PM A newly discovered particle may be comprised of four quarks, a new study posits. Read More Read More» SCIENCE TICKER Tuna mercury rising BY BETH MOLE, FEB 02, 2015 03:01 PM From 1998 to 2008, mercury levels in Hawaiian Yellowfin tuna have increased by 3.8 percent per year, researchers suggest. Read More Read More» More Headlines from Science News FIRSTS Giant rings encircle young exoplanet Stretching 90 million kilometers from their center, 37 stripes of dust around exoplanet were probably crafted by moons. Read More BY CHRISTOPHER CROCKETT, FEB 01, 2015 10:00 AM SCIENCE TICKER How a spider spins electrified nanosilk The cribellate orb spider (Uloborus plumipes) hacks and combs its silk to weave electrically charged nanofibers, a new study suggests. Read More BY HELEN THOMPSON, JAN 30, 2015 06:02 PM NEWS Dust erases evidence for gravity wave detection The claimed detection of primordial gravitational waves does not hold up after taking into account galactic dust, a new analysis concludes. Read More BY ANDREW GRANT, JAN 30, 2015 04:10 PM NEWS IN BRIEF Neptune-like worlds could become habitable Mini-Neptunes can drift toward their stars and lose their atmospheres, leaving behind ice-rich rocky cores that can become watery worlds. Read More BY CHRISTOPHER CROCKETT, JAN 30, 2015 02:23 PM GROWTH CURVE Even when correct, diagnoses can harm kids Overdiagnosis is well documented in adults but is often overlooked in children and can lead to unnecessary treatments. Read More BY LILA GUTERMAN, JAN 30, 2015 11:50 AM NEWS Chicks show left-to-right number bias Recently hatched chicks may have their own version of the left-to-right mental number line. Read More BY SUSAN MILIUS, JAN 29, 2015 03:41 PM NEWS IN BRIEF Pregnancy in mammals evolved with help from roving DNA DNA that “jumped” around the genome helped early mammals shift from laying eggs to giving birth to live young. Read More BY KATE BAGGALEY, JAN 29, 2015 12:10 PM