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Yep, the next generation of mechanical heroes comes in all shapes and sizes. Robots of mostly academic interest may suddenly be getting a real-world baptism by fire, reports the Chronicle for Higher Education.

By Zeeya Merali Researchers have developed a multifunctional catheter fitted with malleable electronics that has many of the necessary tools for cardiac surgery. [More]

(PhysOrg.com) -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical ‘Doppler Effect’ – an advance that could one day lead to the development of 'invisibility cloak' technology.

Just a half hour after you scarf down a salty snack, clear changes can be seen in your arteries, a new study shows.  Researchers found that salt-laden foods  impair the ability of blood vessels to widen for up to two hours.