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Fossil tracks record 'oldest land-walkers'

http://news.bbc.co.uk/2/hi/science/nature/8443879.stm

The oldest evidence of four-legged animals walking on land has been discovered in southeast Poland. Rocks from a disused quarry record the "footprints" of unknown creatures that lived about 397 million years ago.

http://news.bbc.co.uk/2/hi/science/nature/8443879.stm

2010-01-06

evolution leg walking

Caterpillar communication evolved from walking

http://news.bbc.co.uk/2/hi/science/nature/8611910.stm

This means the caterpillar is able to "tell" an intruder to go away without risking injury in a conflict.

http://news.bbc.co.uk/2/hi/science/nature/8611910.stm

2010-04-13

caterpillar animal communication walking leg drumming

Bionic feet for amputee cat

The new feet are custom-made implants that "peg" the ankle to the foot. They are bioengineered to mimic the way deer antler bone grows through the skin.

http://news.bbc.co.uk/2/hi/science_and_environment/10404251.stm

2010-06-25

bone bioengineering leg foot cat deer antler prosthetic

Fish uses fins to walk and bound

Scientists have filmed an African lungfish using two fins to walk and "bound" along the bottom of its tank.

http://www.bbc.co.uk/nature/16157835

2011-12-13

fish leg walking evolution fin

Airlines: Why do some people care a lot about legroom while others don't?

http://www.quora.com/Airlines/Why-do-some-people-care-a-lot-about-legroom-while-others-dont

airplane leg room comfort