Brighten04
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Do you believe scientists have gone too far with creating hybrid creatures?
http://www.bbc.com/earth/story/20170104-the-birth-of-the-human-animal-chimeras
From the article
http://www.bbc.com/earth/story/20170104-the-birth-of-the-human-animal-chimeras
From the article
The quest to create animals with human organs has a long history – and it is now becoming a reality. Has science taken a step too far?
It is 120 years since Wells first published his novel, and to read some recent headlines you would think that we are veering dangerously close to his dystopic vision. "Frankenstein scientists developing part-human part-animal chimera," exclaimed the UK's Daily Mirror in May 2016. "Science wants to break down the fence between man and beast," the Washington Times declared two months later, fearing that sentient animals would soon be unleashed on the world.
The hope is to implant human stem cells in an animal embryo so that it will grow specific human organs. The approach could, in theory, provide a ready-made replacement for a diseased heart or liver – eliminating the wait for a human donor and reducing the risk of organ rejection.
These bold and controversial plans are the culmination of more than three decades of research. These experiments have helped us understand some of the biggest mysteries of life, delineate the boundaries between species, and explore how a ragbag bunch of cells in the womb coalesce and grow into a living, breathing being.
With new plans to fund the projects, we are now reaching a critical point in this research. "Things are moving very fast in this field today," says Janet Rossant at the Hospital for Sick Children in Toronto, and one of the early pioneers of chimera research. "It's going to open up a new understanding of biology."
That is, provided we can resolve some knotty ethical issues first – questions that may permanently change our understanding of what it means to be human.