Creating a sperm or egg from any cell? Reproduction revolution on the horizon
Researchers are inching closer to creating human eggs and sperm in the lab that carry a full complement of anyone's DNA. It could revolutionize fertility treatment and raises huge ethical questions.
Watch Nanobot Carry Lazy Sperm to Fertilize Living Eggs
A sperm's task may appear straightforward; after all, all it needs to do is swim to an egg and insert genetic material. However, in some cases, a healthy sperm's inability to swim may result in infertility, which affects around 7 percent of all males. This condition is called asthenozoospermia, and there is currently no cure.