Tag: Vertebrate
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Humans with tails
Howard FischerUppsala, Sweden “…he had been born and had grown up with a cartilaginous tail in the shape of acorkscrew with a small tuft of hair on the tip.”— Gabriel García Márquez, One Hundred Years of Solitude1 The chance of a child being born with a tail-like lumbosacral appendage is small. About sixty cases have…
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A note on handedness
JMS PearceHull, England, United Kingdom Handedness (chirality) refers to the preferential use of one hand over the other. It is a matter of degree; it is seldom absolute. Population left and right preference existed in the Neanderthals (lived from 400,000 to about 40,000 years ago) onwards. Only homo sapiens amongst the great apes shows strong…