Upon fertilization, two highly specialized meiotic germ cells, the sperm and egg, need to be transformed into a totipotent mitotic embryo. Sperm bind to the zona pellucida of the egg by an unknown ...

A study suggests that iron fertilization, the process of putting iron into the ocean to encourage the growth of carbon dioxide capturing alga blooms, could backfire. A new study on the feeding habits ...

Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...