Twins in animal biology is a case of multiple birth in which the mother gives birth to two offspring from the same pregnancy.
Human twins are two individuals who have shared the uterus during a single pregnancy and are usually, but not necessarily, born in close succession. A fetus alone in the womb is called a singleton. Due to the limited size of the mother's womb, multiple pregnancies are much less likely to carry to full term than singleton births, with twin pregnancies usually lasting around 34 to 36 weeks. Since premature births can have health consequences for the babies, twin births are often handled with special precautions.
Twinning is common in many animal species, such as cats, sheep, and ferrets. The incidence of twinning among cattle is about 1-4%, and research is underway to improve the odds of twinning, which can be more profitable for the breeder if complications can be sidestepped or managed.
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Music :: Arts and Entertainment

Crimson Twins - Free downloadable songs and links to esoteric instruments.
Meta Description: [ With instruments ranging from Buchla & Kyma synthesizers to scissors & glue, CT has been exploring curious aural amusements since the early 80s. Over 3 hours of peculiar yet endearing MP3s plus MIDI files & links to many of the synths heard on the tracks. ]
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IUMA - Crimson Twins - With musical tools ranging from Buchla and Kyma synthesizers to scissors and glue, this band has been exploring curious aural amusements and esoteric electronic instruments since the early 80s.
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