Tiny Handlike Gripper Could Make It Easier For Doctors

Tiny Handlike Gripper Could Make It Easier For Doctors

A tiny gripper that responds to chemical triggers could be a new tool for surgery.

A tiny handlike gripper that can grasp tissue or cell samples could make it easier for doctors to perform minimally invasive surgery, such as biopsies. The tiny device curls its “fingers” around an object when triggered chemically, and it can be moved around remotely with a magnet.

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ReWalk Suit Helps Paralyzed Walk

ReWalk Suit Helps Paralyzed Walk 

Paralyzed for the past 20 years, former Israeli paratrooper Radi Kaiof now walks down the street with a dim mechanical hum.

That is the sound of an electronic exoskeleton moving the 41-year-old’s legs and propelling him forward — with a proud expression on his face — as passersby stare in surprise.

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Link Between SIDS And Serotonin Levels

Link Between SIDS And Serotonin Levels 

New research has shown that SIDS (Sudden Infant Death Syndrome) may be caused by an imbalance in serotonin.
Conducted by the European Molecular Biology Laboratory, tests were done on mice and has shown that this may be a clue into understanding SIDS. There are about 2,500 cases of SIDS reported each year in the U.S. The majority of deaths occur in infants between 2 and 4 months old.

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Using Janus Particles as Body Submarines

Using Janus Particles as Body Submarines

For the first time, researchers at North Carolina State University have demonstrated that microscopic “two-faced” spheres whose halves are physically or chemically different – so-called Janus particles – will move like stealthy submarines when an alternating electrical field is applied to liquid surrounding the particles.

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