Scientists have created the synthetic human embryos - using no eggs or sperm - provoking deep ethical questions, according to reports. The synthetic embryos - only days or weeks old - could help ...

A stem-cell derived human embryo model showing blue cells (embryo), yellow cells (yolk sac) and pink cells (placenta). Scientists have grown an entity that closely resembles an early human embryo ...

In 1896, in his seminal work “The Cell in Development and Inheritance”, the cell biologist Edmund B. Wilson formulated a ...

The fact that many human embryos die at an early stage of development (pre-implantation) provides no evidence whatsoever for the proposition that they are not embryonic human beings — no more ...