Related topics: smartphone

Toward a safer material for artificial muscles

Whether wriggling your toes or lifting groceries, muscles in your body smoothly expand and contract. Some polymers can do the same thing—acting like artificial muscles—but only when stimulated by dangerously high voltages. ...

To fight cancer, EPA wants sterilizer companies to emit less

The Environmental Protection Agency on Tuesday proposed limiting the use of the chemical ethylene oxide after finding a higher than expected cancer risk at facilities that use it to sterilize billions of medical devices each ...

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