The Blood Test Thing was a simple, yet autonomous Thing, formed from blood extracted from the Palmer-Thing. The creature appeared in the 1982 film The Thing.


In a bid to determine the identity of the remaining crew of U.S. Outpost 31, R.J. MacReady developed a rudimentary blood-test involving a heated copper wire and samples taken from the men. Noticing how every part of the Norris-Thing had an instinctive desire to survive, MacReady realized that a creature's blood would attempt to flee from a hot needle. Dipping the heated wire into the petri dish containing Palmer's blood, the organism unexpectedly reacted, jumping out of the dish with a shriek. Shocked, MacReady dropped the sample to the ground, where it promptly liquefied and fled, presumably back to its source.


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