Most rational people are inclined to leave scorpions well enough alone, given those stinger-tipped tails that administer venom capable of paralyzing their prey (and worse). Yet there are certain intrepid souls willing to brave the dangers and coax these arachnids into unleashing their toxins, for the simple reason that scorpion venom can sell for as much as $39 million per gallon.
Who actually dishes out the dough for this potent liquid? The medical industry, as venom from scorpions, spiders, vipers, and an array of other creatures has been found to provide compounds with surprising health benefits for humans. The venom of the deathstalker scorpion, for example, contains a peptide called chlorotoxin, which can pinpoint the location of aggressive brain tumors. Another species, the Diplocentrus melici, produces venom with 1,4-benzoquinone compounds that kill highly infectious bacteria, including the strains that cause tuberculosis.
Unsurprisingly, the monster dollar signs linked to this particular field have inspired a sub-industry of scorpion farmers and breeders, some of which are endangering scorpion populations. Insiders caution against getting involved for the money, though: For one thing, the venom has to be "milked" in absolutely sterile conditions; it's a laborious process to do so, and the minute amounts that change hands between buyers and sellers aren't going to pay off anyone's mortgage. Additionally, many labs have turned to synthesized versions of the isolated compounds needed for their research.
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