The mystery of how frogs cling to surfaces - even if their feet are wet - may have been solved by scientists.
A study of tree frogs has revealed their toe pads are covered in tiny bumps that can directly touch a surface to create friction.
The scientists found this direct contact occurs even though the pads are covered with a film of watery mucus.
The findings, published in the journal Interface, may aid the development of anti-slip devices.
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http://news.bbc.co.uk/2/hi/science/nature/5031328.stmNo mention of suction grip ?? Odd. Friction wouldn't seem to explain how they can cling genuinely upside down.
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