Science Magazine

Science Magazine

126 Related Result(s)

  • Vaccination campaigns like this one held in February in Monrovia, Liberia can help close the vaccination gap caused by the Ebola epidemic in West Africa. | UNMEER / CC BY-ND 2.0 Countries hit hardest by the ongoing Ebola outbreak in West Africa could face a second public health disaster if efforts...
  • This photo of the LD 350-1 mandible was taken steps from where it was found by graduate student Chalachew Seyoum. | Kaye Reed A piece of an ancient jawbone discovered in eastern Africa suggests that the genus Homo , to which all modern humans belong, arose almost half a million years earlier than...
  • DNA from an underwater archaeological site off the coast of England suggests that wheat made its way to the region about 2,000 years before humans started farming it there. This discovery implies that Britain's hunter-gatherers traded with nearby farmers for the cereal grain long before they...
  • Sunbathers can experience cancer-causing DNA damage up to three hours after they've left the beach or the tanning bed, according to a new study. Surprisingly, this delayed response takes place in cells containing the skin pigment melanin, which is usually thought to block harmful ultraviolet...
  • SAN JOSE, California — Faculty careers are shut off to all individuals with Ph.D.s except those from a small number of universities, a new study of 19,000 faculty hiring decisions reveals. The research appears in the 12 February issue of the open-access journal Science Advances . Aaron Clauset...
  • The new study identifies the 20 countries that contribute the most plastic to the world's oceans. | AAAS/Carla Schaffer SAN JOSE — About eight million tons of plastic waste wound up in the world's oceans in 2010, and researchers warn that the cumulative amount could increase more than tenfold in...
  • How does sleep induce the brain's restorative effects? An investigation into the flow of fluids in the space between the brain cells and their role in cleansing the brain of neurotoxic waste products is the winner of the 2014 Newcomb Cleveland Prize of the American Association for the Advancement...
  • The dongle, containing a microfluidic chip, is powered by plugging into a smartphone's audio jack. | Samiksha Nayak A smartphone can now perform rapid diagnostic tests for HIV and syphilis, thanks to a new dongle, which was successfully field-tested in Rwanda. With accuracy that rivals the current...
  • Three-day old chicks use a mental number line that reads left to right, just as humans do. | Rosa Rugani A new study shows that chicks use the same mental number line, or left-to-right spatial representation of numbers, as humans. The findings suggest that this tendency to map values from left to...