Tech
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- Tech
Butterfly wings and waterproof coats
Inspired by nature, scientists have come up with clever new designs for waterproof coatings.
By Emily Sohn - Tech
Cell phones and possible health hazards
Radiation from some cell phones appears to kill brain cells in rats.
By Emily Sohn - Tech
Eating up foul sewage smells
Bacteria can break down the chemical responsible for sewage's rotten-egg smell.
By Emily Sohn