The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

The idea that life is not “real,” in the way we understand it as human beings, is not new. In fact, it’s very, very old—at least as old as the ancient Greeks. Plato was just one of the philosophers ...