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 ...

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

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

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), ...

In pregnancies conceived with assisted reproductive technology using frozen embryos, the risk of developing a hypertensive disorder may be 74% higher than during naturally conceived pregnancies. In ...

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 — ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

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