Metal detectorists unearth dazzling Anglo-Saxon gold-and-garnet raven head and ring: ''It''s unbelievable — I''m a bit emotional'' (www.livescience.com)
''It''s answering one of the questions of the century'': Scientists may finally know where the oldest gold in the universe came from (www.livescience.com)
''Vaccine rejection is as old as vaccines themselves'': Science historian Thomas Levenson on the history of germ theory and its deniers (www.livescience.com)
''Rabbits sometimes make mistakes or grow lazy. That''s when the tortoise seizes its chance'': Chinese scientists make nuclear power breakthrough using abandoned US research (www.livescience.com)
''How could it have been allowed to happen?'': The threat of ''superbugs'' was known from the first antibiotic, but we''ve failed to stop it. (www.livescience.com)
''We''re already on the precipice of disaster'': Deadly measles outbreaks could explode across the US in the next 25 years if vaccinations fall, model predicts (www.livescience.com)
Gamma-ray bursts reveal largest structure in the universe is bigger and closer to Earth than we knew: ''The jury is still out on what it all means.'' (www.livescience.com)
Extreme ''zombie star'' capable of ripping human atoms apart is shooting through the Milky Way — and nobody knows where it came from (www.livescience.com)
A long-lost Antarctic ice sheet could predict the future of New York City — one in which Lower Manhattan and Coney Island are ''perpetually submerged'' (www.livescience.com)
''An up-tempo version of Darwinian evolution'': How a mega freeze in Florida may have caused Burmese pythons to evolve at a blindingly fast speed (www.livescience.com)
Stabbed, cut, attacked, twisted — scientists subject new stretchable battery to extreme torture, and it retained 90% of its capacity (www.livescience.com)
Get a closer look at wildlife for less: This huge 60 saving on the Bushnell 10x42mm Trophy XLT binoculars — now down to their lowest-ever price at Adorama (www.livescience.com)