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    01/30/2017 - 18:54
  • It's Alive

    How electric eels put more zip in their zap

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    Electric eels are even more shocking than biologists thought. When prey fights back, eels just — curl their tails.

    Muscle has evolved “into a battery” independently in two groups of fishes, explains Kenneth Catania of Vanderbilt University in Nashville. Smaller species send out slight tingles of electric current that detect the fish’s surroundings in murky nighttime...

    10/28/2015 - 12:41 Physiology, Animals
  • News

    Electric eels remote-control nervous systems of prey

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    Electric eels evolved hacking long before humans did. Zapping other fish with high-voltage bursts lets eels remotely control their prey’s nervous system to make muscles twitch and clench.

    That takeover is how electric eels (Electrophorus electricus) immobilize their prey, Kenneth Catania of Vanderbilt University in Nashville reports in the Dec. 5 Science. And in a...

    12/04/2014 - 14:00 Physiology, Animals
  • News

    Mole sniffs the world in stereo

    The common mole may be homely but its nose is a wonder to behold.

    The eastern American mole, also known as the common mole, tracks down an earthworm treat by recognizing the slightly different odor cues entering each nostril, neurobiologist Kenneth Catania of Vanderbilt University in Nashville reports online February 5 in Nature Communications.

    The finding suggests that...

    02/05/2013 - 09:24 Animals