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  Image of a Chinese red-headed centipede from Wikimedia Commons. Researchers from the Chinese Academy of Sciences and The University of Queensland have discovered a venom from centipedes capable of blocking pain more effectively than morphine! According to the study authors, centipedes have appeared in the fossil records as far back as 430 million years. They are also one of the first land-dwelling creatures to use venom to incapacitate their prey as shown in the image above of a Chinese red-headed centipede (Scolopendra subspinipes mutilansis) snacking on a roach. The venom is secreted…