I've long been a big fan of Greek mythology and all the wondrous beasts that tested, and sometimes bested, mythical heroes. One such creature was the chimera, a grotesque hybrid of a lion, goat, and ...

Human gametes develop within the body of the resultant organism; It contains a human brain or a brain derived wholly or predominantly from human neural tissues; or It exhibits human facial features or ...

An intense debate has flared over whether the federal government should fund research that creates partly human creatures using human stem cells. The National Institutes of Health declared a ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

“For there is one thing which gravitation can do nothing, and that is humankind. Humankind cannot gain a thing without first giving something in return. This ageless maxim occupies center stage in ...