TedEd has posted an excellent overview of in-vitro fertilization, summarizing how the method taps into the female reproductive cycle to harvest eggs, some techniques for getting fertilization to happen in a dish, and the options for gestating the resulting embryos. Read more
British scientists have finally figured out how sperm is able to connect with an egg. The process is facilitated by a molecule dubbed Juno, a protein that allows sperm to dock to the surface of an egg. The discovery could introduce new fertility treatments and birth control.