It is humbling to realize that we humans share about 70% of our genes with zebrafish. There are also a whole host of other similarities that make these small transparent fish an ideal animal model for ...

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 ...

When a woman becomes pregnant, the outcome of that pregnancy depends on many things — including a crucial event that happened ...

Female mammals are born with all the egg cells they will ever have in their ovaries. Some of these cells therefore live for a long time – and must remain functional throughout this period. Experiments ...

The artificial cell nucleus (right) constructed using the purified DNA was morphologically very similar to the natural cell nucleus derived from an egg (left). A team led by Professor Kazuo Yamagata ...