Last Updated: Tuesday, May 01, 2012, 09:07
Researchers have come up with a new self-cleaning glass that is able to resist fogging and glare effects.
Last Updated: Sunday, July 03, 2011, 15:51
Tree frogs have sticky pads on their toes that they use to cling on in difficult situations, but until now it was unclear how they prevent these pads from picking up dirt.
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