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Latest Photophore Stories

Shark Carries "Lightsaber" Spikes For Defense
2013-02-22 19:45:09

Lee Rannals for redOrbit.com — Your Universe Online It's been decades since the first Star Wars movies came out, but the mark they left is still relevant in the world, even finding a little fandom in the deep waters of the ocean. Scientists found a glow-in-the-dark shark has "lightsaber-like" spines on its back used to help ward off predators. Researchers reported in the journal Nature about how they discovered light organs adjacent to the dorsal defensive spines of a small...

e5a105191f06717208a65224dc4cd6f81
2009-02-23 14:01:26

The phenomenon of light emission by living organisms, bioluminescence, is quite common, especially in marine species. It is known that light is generated by chemical reactions in which oxygen molecules play an important part. In the animal world, these chemical reactions take place in special luminescent cells called photocytes. These are aggregated into complex light organs, in which the intensity of light is regulated by nerve impulses, and in which light can be modulated with the help of...


Word of the Day
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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