The curved shape of a zebrafish egg causes unequal cell divisions, creating larger cells near the animal pole and smaller ...

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...

Cell division is an essential process for all life on earth, yet the exact mechanisms by which cells divide during early ...

Home > Press release: Nature Physics: Zebra Fish Embryos Use ...

Some newly reported clumps of cells growing in lab dishes have been hailed as the closest things to human embryos that scientists have ever made in the lab. These entities are human embryo models — ...

As you age, your fertility slowly declines. By freezing eggs or embryos when you’re young (usually under the age of 40), you can preserve your eggs’ health and, through in vitro fertilization (IVF), ...

Embryos now cross borders with increasing regularity, carried quietly by couriers and safeguarded by systems designed to leave little to chance.