Artificial organ to become stronger and lighter, limiting the amount of extra energy necessary to operate the limb. Additional materials have allowed artificial limbs to look much more realistic. Prostheses can roughly be categorized as upper- and lower-extremity and can take many shapes and sizes. New advances in artificial limbs include additional levels of integration with the human body. Electrodes can be placed into nervous tissue, and the body can be trained to control the prosthesis. This technology has been used in both animals and humans. The prosthetic can be controlled by the brain using a direct implant or implant into various
Human Fertilisation and Embryology Authority Human Fertilisation and Embryology Authority The Human Fertilisation and Embryology Authority (HFEA) is an executive non-departmental public body of the Department of Health in the United Kingdom. It is a statutory body that regulates and inspects all clinics in the United Kingdom providing "in vitro" fertilisation (IVF), artificial insemination and the storage of human eggs, sperm or embryos. It also regulates human embryo research. After the birth of Louise Brown, the world's first IVF baby, in 1978, there was concern about the implications of this new technology. In 1982, the UK government formed a committee chaired by philosopher Mary Warnock