ENVIRONMENT
California鈥檚 undersea landfill The first survey of trash off the coast of California has found a seascape awash with fishing detritus, kitchen sinks and artillery debris. Much of it is colonised by marine life, as our video reveals
ARCHIVES
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What should museums throw out? What are the least important objects from an archive including NASA photos, a 19th-century surgical mask and a hippo skull? View our gallery to decide
SPACE
Elusive lunar plume caught on camera after all A spacecraft trailing behind NASA鈥檚 LCROSS moon impactor did manage to snap photos of a faint plume of ejected material. Researchers are searching the data for signs of water
GALLERY
Prize-winning medical imagery Look at our gallery of pics from the Wellcome Image Awards for a new perspective on human bones and to discover how even aspirin crystals can be beautiful.
NEUROSCIENCE
Inside the brains of the big cats The social brain hypothesis predicts that increased brain size is related to increased social complexity, and it has been borne out by studies in primates. Now for the first time it is tested in nine species of big cats, including lions and tigers
TECH
Necklace camera to capture your life It takes a picture every 30 seconds, or when someone steps near or you enter a new environment. Originally developed to help people with memory problems, it will also be marketed to general consumers who don鈥檛 want to forget a single thing
SPACE FLIGHT
Where should NASA send astronauts next? New 杏吧原创 adds up 鈥渟cores鈥� for the five options NASA could pursue in human space flight. The winner? Deep space, here we come