Researchers have developed a method for culturing fertilized chick eggs without their shells. The eggs were placed in an artificial culture vessel made of transparent film, allowing for real-time ...

Tsukuba, Japan—Efforts to observe chicken embryonic development date back to Aristotle date back to 300 BC. However, because the chicken's eggshell is opaque, it has been necessary to break the shell ...

I sometimes get asked if there's a physical difference between a fertilised and unfertilised chicken egg, so I cracked a few of my own and compared them to unfertilised commercial eggs. It seems to me ...

Feathers are important for birds today, enabling flight, warmth, and communication. Now, researchers from the University of Geneva have traced the origin of feathers. Scientists believe feathers ...

Descriptions of the embryo go back at least to the time of Aristotle, but it has only been since the late 19 th century and early 20 th century that advances in experimental approaches allowed ...

Images of the multicellular development of the ichthyosporean Chromosphaera perkinsii, a close cousin of animals. In red, the membranes and in blue the nuclei with their DNA. The image was obtained ...