Imagine eating a hamburger that is in every way identical to the hamburgers you’re used to eating… except that did not come from an animal. While this may sound like science fiction, cultured meats (also known as lab-grown meat, slaughter-free meat, in-vitro meat, or even clean meat!) may be availab
This video excerpt from NOVA examines a genetic screening technique called preimplantation genetic diagnosis, or PGD. PGD enables researchers to identify mutations in an embryo’s DNA that can lead to birth defects and more than 300 diseases, including Huntington’s, cystic fibrosis, and some cancers.
For more Science Videos: https://lt.org/ * T cells are an important component of the body’s immune system. As ERIKA PEARCE explains, there are several types of T cells which form consecutively during the immune response and serve different purposes. Effector T cells combat pathogens from infections
