Concord Hymn

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Photo: Kirk Heflin BY the rude bridge that arched the flood,  Their flag to April’s breeze unfurled,  Here once the embattled farmers stood  And fired the shot heard round the world.  The foe long since in silence slept;  Alike the conqueror silent sleeps;  And Time the ruined bridge has swept  Down the dark stream which seaward creeps. On this green bank, by this soft stream,  We set to-day a votive stone;  That memory may their deed redeem,  When, like our sires, our sons are gone.  Spirit, that made those heroes dare  To die, and leave their children free,  Bid Time and Nature gently spare  The shaft we raise to them and thee. Ralph Waldo Emerson (1803–1882) (The Battle of Concord was fought on April 19, 1775, the start of the American Revolutionary War)

The Evolution (or Creation?) of the Slow Loris

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According to this article, the Slow Loris "kills by either biting with its mouth full of poison, or slicking its fur up with the toxin and waiting to be attacked. To be fair to the critter, its venom was probably developed for self-defense. Although it occasionally uses the venom to kill its prey, it is happiest just being left alone."

I have some questions. 

  1. If the tenant of evolution is "survival of the fittest," then how long did it take for the Loris overcome its weaknesses and survive in order to figure out how to "probably" develop to be a venomous (or is it a poisonous) primate? 
  2. What took place in evolution for the Loris not to be allergic to it's own spit? 
  3. Why can't scientists precisely identify the biological function of the secretion? 
Science (Latin for "know) will confirm what is known, without speculating to probabilities, which are unknown. 


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