Trilobites: It’s Better to Swim Alone, Yet Together, if You’re a Salp Although they form chains to swim as a collective, these gelatinous marine organisms use uncoordinated strokes when not in danger, a study finds. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA alien life BOOST: Europa’s seas ‘more Earth-like than we thought’A French Wine With a 900-Year-Old VintageN.I.H. Head Calls for End to All-Male Panels of ScientistsTime travel: Brian Cox discovers how to ‘stop’ time – 'I can stroll in eternal twilight'In a ‘Recycled’ House, Details That Will Grow on YouNASA ‘space graveyard’ MAPPED: HUNDREDS of spacecraft hidden under remote ocean