Dogs' behavior could help to design social robots

Designers of social robots, take note. Bring your dog to the lab next time you test a prototype, and watch how your pet interacts with it. You might just learn a thing or two that could help you fine-tune future designs. ...

Why guppies have genital claws

New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

Research sheds new light on 'world's oldest animal fossils'

A team of researchers, led by the University of Bristol, has uncovered that ancient fossils, thought to be some of the world's earliest examples of animal remains, could in fact belong to other groups such as algae.

New species appear to arise from sudden changes

(Phys.org)—Folmer Bokma, researcher at Umeå University, explains that living species have a limited ability to adapt to the environment. His results suggest that species do not change gradually, as the modern evolutionary ...

Evolutionary origins of animal biodiversity

A new study by an international team of researchers, led by scientists from the University of Bristol, has revealed the origins and evolution of animal body plans.

Fish leaders are born, not made, study finds

Leadership is an innate quality, said a fish study Wednesday that predicted trouble in animal social groups, also human ones, when natural roles are reversed.

Getting a leg up on whale and dolphin evolution

When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the larger hoofed ...

Power struggles are best kept out of the public eye

For animals, prevailing in a fight affects their likelihood of winning future conflicts. The opposite is true of losing a fight. The sex hormone testosterone is often believed to mediate this "winner effect". Researchers ...

Dolphins sponge up culture: study

Bottlenose dolphins that have learnt to use sea sponges as hunting tools form cliques with others that do the same -- the first evidence of animal grouping based on mutual interest, a study said Tuesday.

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