Study says 'blue hydrogen' likely bad for climate

Use of "clean" hydrogen has been seen as a viable and environmentally benign energy alternative, but a study released Thursday said it could lead to higher greenhouse gas emissions than coal.

Yarns coated with enzymes can act as filters

North Carolina State University researchers showed in a new study they could coat cotton yarns with enzymes, which are nature's tool for speeding chemical reactions, in order to change hydrogen peroxide into oxygen and water. ...

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