Issue for the week of July 27th, 2013

Sunday, July 14th 2013. | Science News

  • Frozen continent may not be immune to global warming. (p. 18)

  • Drugs that help mice remember reveal role for epigenetics in recall. (p. 24)

  • An entire genome compiled from a 700,000-year-old bone yields new information about equine history. (p. 5)

  • If confirmed, the dark gap in space debris will challenge astronomers’ theories. (p. 8)

  • Signals could help astronomers understand universe’s mass (p. 8)

  • If confirmed, the tetraquark could shed light on how atomic nuclei are held together. (p. 9)

  • Hubble snaps ‘the Penguin’ and its egg-shaped companion. (p. 9)

  • Occasional kills by Stone Age humans could not have driven creatures to extinction, researchers say. (p. 10)

  • Gold jewelry, bronze axes and dozens of bodies were among the contents of the Wari empire ceremonial room. (p. 10)

  • Inspired by tea leaves’ reverse route into a kettle, physicists demonstrate that water’s surface tension allows unexpected movement. (p. 11)

  • Spiral beams allow multiple information streams in one cable. (p. 11)

  • Primates that live with many others know not to steal food when someone is watching. (p. 12)

  • The animals fed on grasses long before their molars could grind the tough plants. (p. 12)

  • Measurements in southern China find quick healing of fractured rock. (p. 13)

  • Daily cycles in vegetables help ward off hungry caterpillars. (p. 14)

  • People in Bangladesh have genetic variations that might defend against the disease. (p. 14)

  • Pollution during the 20th century appears to have suppressed North Atlantic hurricanes. (p. 15)

  • Wild and obscure species provide resistance to deadly fungus. (p. 15)

  • Extensive search of existing medicines turns up two that seem to fend off deadly virus. (p. 16)

  • Pulse can be measured by examining a video of subtle head motions. (p. 16)

  • Recently immunized people are not at an increased risk of developing Guillain-Barre syndrome, a nerve-damaging condition. (p. 16)

  • Review by Susan Gaidos (p. 30)

  • Review by Andrew Grant (p. 30)

  • Excerpt from the July 27, 1963, issue of Science News Letter (p. 4)

  • (p. 31)

  • The Science Life (p. 32)

  • Related For Issue for the week of July 27th, 2013