ResearchBlogging editor's selections: Sleepwalking, dark energy -- and urine!

Aug 24 2009 Published by under General science, Science news

  • Did sleepwalking once serve as an adaptive function? For most people, sleepwalking seems like an annoying -- if not downright dangerous -- disorder. William at The Quantum Lobe Chronicles explores whether or not this behavior might have served an important survival role.
  • Why we're stuck with dark energy. In astronomy, "dark energy" is one of those ideas which at first seems to have been proposed to explain away problems, rather than explain them. However, Greg Fish at World of Weird Things describes why the idea of dark energy isn't going away any time soon.
  • Unique urine fingerprints. With recent arguments that false DNA evidence can be manufactured in a lab, it is natural to wonder where forensic science can go next. David Bradley at sciencebase describes research that suggests that we all have a unique metabolic fingerprint -- which can be detected through our urine!

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