Understanding the biology behind an embryo’s development is crucial not only from a basic science perspective, but also from a medical one.

Wound healing is a major problem for many older individuals and chronic, non-healing skin ulcers are a major source of health care costs.

Making stem cells from a patient’s adult cells – rather than human embryos – is one of the holy grails in modern medicine treatments.

Researchers created embryos from stem cells that form a brain, a beating heart, and the foundations of all the other organs of the body.