(Phys.org) —A high-angle helix helps microorganisms like sperm and bacteria swim through mucus and other viscoelastic fluids, according to a new study by researchers from Brown University and the University of Wisconsin. ...
General Physics
Aug 13, 2013
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Why did animals with limbs win the race to invade land over those with fins? A new study comparing the forces acting on fins of mudskipper fish and on the forelimbs of tiger salamanders can now be used to analyze early fossils ...
Plants & Animals
Jul 5, 2013
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If you rely on hand gestures to get your point across, you can thank fish for that! Scientists have found that the evolution of the control of speech and hand movements can be traced back to the same place in the brain, which ...
Plants & Animals
Jul 2, 2013
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(Phys.org) —Behavioral biologists at the University of Nebraska have found that male dark fishing spiders become immobile immediately after mating and die a short time later. In their paper published in the journal Biology ...
Sugar isn't always sweet to German cockroaches, especially to the ones that avoid roach baits. In a study published May 24 in the journal Science, North Carolina State University entomologists show the neural mechanism behind ...
Plants & Animals
May 23, 2013
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(Phys.org) —For sea turtle hatchlings struggling to reach the ocean, success may depend on having flexible wrists that allow them to move without disturbing too much sand. A similar wrist also helps a robot known as "FlipperBot" ...
Robotics
Apr 23, 2013
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(Phys.org) —An unusual fossil fish that has fins behind its anus could have implications for human evolution according to a scientist at The University of Manchester.
Archaeology
Apr 10, 2013
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Slender bacterial nanowires require certain key amino acids in order to conduct electricity, according to a study to be published in mBio, the online open-access journal of the American Society for Microbiology, on Tuesday, ...
Cell & Microbiology
Mar 12, 2013
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(Phys.org) —Scientists have delved deeper into the evolutionary history of the fruit fly than ever before to reveal the genetic activity that led to the development of wings – a key to the insect's ability to survive.
Plants & Animals
Mar 11, 2013
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An extraordinary find allowing scientists to see through the head of the 'fuxianhuiid' arthropod has revealed one of the earliest evolutionary examples of limbs used for feeding, along with the oldest nervous system to stretch ...
Archaeology
Feb 27, 2013
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