For gait transitions, stability often trumps energy savings

A dog's gait, according to the American Kennel Club, is "the pattern of footsteps at various rates of speed, each distinguished by a particular rhythm and footfall." When dogs trot, for example, the right front leg and the ...

Songbird data yields new theory for learning sensorimotor skills

Songbirds learn to sing in a way similar to how humans learn to speak—by listening to their fathers and trying to duplicate the sounds. The bird's brain sends commands to the vocal muscles to sing what it hears, and then ...

Science learns from its mistakes too

Scientific studies should always be published irrespective of their result. That is one of the conclusions of a research project conducted by the German Centre for the Protection of Laboratory Animals at the German Federal ...

Why some animals still have a penis bone

A team of researchers affiliated with several institutions in the U.K. has found a possible explanation for why some animals still have a penis bone—"prolonged intromission." In their paper published in Proceedings of the ...

Reconstructing skin on a chip

Microfluidics could fulfill a growing need for alternatives to animal testing for the development of pharmaceuticals and cosmetics. A multidisciplinary team, led by Zhiping Wang from the A*STAR Singapore Institute of Manufacturing ...

Realistic avatars for the virtual zoo

Filmmakers and developers of computer games will have a new way of animating animals in the future. A team led by researchers at the Max Planck Institute for Intelligent Systems in Tübingen, Germany, has developed a technique ...

Impacts of windfarm construction on harbor porpoises

Scientists from Germany, Denmark and the U.K. have built a model tool to predict what happens to marine animals when exposed to noise from the construction and operation of wind farms at sea.

Tumorcode, a software to simulate vascularized tumors

The tumor vasculature is a major target of anticancer therapies. Rieger, Fredrich and Welter at Saarland University, Germany have been pursuing a quantitative analysis of the physical determinants of vascularized tumors for ...

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