Tasmanian devil sex

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Tasmanian devils are now facing a second transmissible cancer, but both tumor types trace back to the same unstable chromosome. AUSTIN— The Tasmanian devil was nearly wiped out 20 years ago when a contagious tumor began disfiguring its face and killing animals by the hundreds. The second cancer started showing up inwhen Tasmanian researchers discovered five Tasmanian devils with facial tumors.

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Sometimes, in this case, doesn't mean a cheeky once-a-month; it means only having sex once every few generations — like the cockroach, who can be chaste for generations on end. An occasional dalliance, evolutionarily speaking, provides a useful shuffling of genes between individuals. But why is sex the go-to reproductive strategy for so many creatures?

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By Michael Marshall. Despite its ferocious nature, the Tasmanian devil is a creature faced with extinction, the victim of a gruesome facial tumour disease. As a result, the Tasmanian devil, or Sarcophilus harrisiipopulation has fallen over 60 per cent since

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Scientists working to boost the population of Tasmanian devils have made a key discovery which could result in better survival rates for devils released into the wild. The researchers found that the longer a Tasmanian devil had spent in captivity, the greater the chance of the animal being hit by a car after being released. A Tasmanian devil being released into the wild in

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Data from: Sex bias in ability to cope with cancer: Tasmanian devils and facial tumour disease. Content in the Dryad Digital Repository is offered "as is. To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.

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Washington State University scientists have discovered genes and other genetic variations that appear to be involved in cancerous tumors shrinking in Tasmanian devils. Their research is an important first step towards understanding what is causing devil facial tumor disease, a nearly percent fatal and contagious form of cancer, to go away in a small percentage of Tasmanian devils and could have implications for treating cancer in humans and other mammals as well. Tasmanian devils have been pushed to the brink of extinction by the rapid spread of devil facial tumor disease, one of only four known forms of transmissible cancer and by far the deadliest. Since it was first documented inthe disease has wiped out an estimated 80 percent of devils in Tasmania, the only place in the world where the animals live.

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The Tasmanian devil Sarcophilus harrisii is a carnivorous marsupial of the family Dasyuridae. It was once native to mainland Australia and is now found in the wild only on the island state of Tasmaniaincluding tiny east-coast Maria Island where there is a conservation project with disease-free animals. The size of a small dog, the Tasmanian devil became the largest carnivorous marsupial in the world following the extinction of the thylacine in

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Yet, here I am, the pink of dawn creeping above the horizon, standing naked in Tasmania with thousands of strangers, and about to thrust my body into the icy River Derwent. I spend my nights wandering the streets. Spaces ablaze in flame unfold around every corner.

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