Food and Drug Administration approved the first viral-based cancer therapy. The virus, called talimogene laherparepvec (T-VEC), is a genetically engineered herpes simplex virus that can help treat advanced melanoma.
The top layer of the epidermis is composed of flattened, dead skin cells that form the surface of the skin. The dead cells from this layer are continuously being shed and replaced by cells from the living epidermal layer below it (red)
CRISPR has been heralded as the biggest scientific breakthrough of 2015 across the board. This infographic will help you understand why. CRISPR is a genetic engineering project, and there are many ethical reasons why it should or should not be allowed.