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In Greek mythology, the Chimera is a monstrous fire-breathing animal hybrid, usually depicted as a lion, with the head of a goat arising from its back, and a tail that ends with a snake’s head. Now, unscrupulous scientists are fashioning even worse...

Is it ethical to grow human organs in animals? Is it ethical to grow human organs in animals? 'Chimeras' are being billed as the next big thing in stem cell science. Karl D. Stephan | Feb 14 2017 | Share on FacebookShare on Twitter forward by email...

Sometimes when I think of the human brain, the theme from “Star Trek” starts playing in my own head. It’s the music of great unknowns—and in certain ways the human brain, with more connections between its cells than there...

This pig embryo was injected with human cells early in its development and grew to be four weeks old. (image: Juan Carlos Izpisua-Belmonte/National Geographic.) In Greek mythology, a chimera is a fire-breathing monster created from different species...

The Doomsday Invention: NOVEMBER 23, 2015 ISSUE | BY RAFFI KHATCHADOURIAN I. OMENS Last year, a curious nonfiction book became a Times best-seller: a dense meditation on artificial intelligence by the philosopher Nick Bostrom, who holds an appointment...