Piranha fish have a powerful bite. Their teeth help them shred through the flesh of their prey or even scrape plants off rocks to supplement their diet.
Evolution
Oct 15, 2019
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Piranhas and their herbivorous cousins pacus have distinctive teeth used to tear through tough food. A recent paper by Matthew Kolmann, a postdoctoral fellow in the Columbian College of Arts and Sciences Department of Biological ...
Plants & Animals
Sep 26, 2019
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A piranha's bite is definitely worse than its bark, but the bark has uses too. A new study of the sounds made by piranhas in the Amazon finds that their underwater "barks" are an effective tool for identifying different species ...
Ecology
Nov 6, 2018
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Energy losses in nanowire solar cell can be significantly reduced by 'cleaning' the surface of the cells with a special etching method. This has been shown by researchers at Eindhoven University of Technology (TU/e), Delft ...
Nanomaterials
Sep 13, 2013
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A Danish fisherman made an unusual find in his nets recently when he discovered a pacu, a sharp-toothed cousin of the South American piranha with a reported penchant for testicles.
Ecology
Aug 13, 2013
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Outsized jaw muscles allow the black piranha to exert bite force equivalent to 30 times its bodyweight, a feat unmatched in the natural world, according to results of a finger-risking study published Thursday.
Archaeology
Dec 20, 2012
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An online video featuring cartoon creatures killing themselves in a variety of ways as part of an Australian transport safety campaign has gone viral, with almost 12 million YouTube views in a week.
Internet
Nov 21, 2012
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Authorities in southern China have moved to quash a bizarre piranha threat, offering bounties and free bait amid fears the aggressive South American fish has invaded a river, state media said on Thursday.
Ecology
Jul 12, 2012
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(PhysOrg.com) -- It’s a matchup worthy of a late-night cable movie: put a school of starving piranha and a 300-pound fish together, and who comes out the winner?
Materials Science
Feb 9, 2012
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Thanks to Hollywood, piranhas have a bad reputation and it would be a brave scientist that chose to plunge their hand into a tank of them. But that didn't deter Sandie Millot, Pierre Vandewalle and Eric Parmentier from the ...
Plants & Animals
Oct 13, 2011
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