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Science News for February 19, 2011


Mimicking photosynthesis path to solar-derived hydrogen fuel

A Penn State materials chemist has developed an artificial system that mimics photosynthesis to produce solar-derived hydrogen fuel. However, the process remains inefficient and expensive due to recombination of electrons and limited lifetime of the system. The researcher aims to improve efficiency by modeling energy pathways and adjus...

Turning to nature for inspiration

Researchers at Northwestern University are developing artificial hair cell sensors that mimic nature's ability to sense vibrations and movement. These biologically inspired sensors have the potential to improve medical device performance, enhance robotic capabilities, and create new consumer goods.