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 ...

Researchers have created a detailed map of chemical modifications to DNA that occur in the human brain from the earliest ...

Understanding our earliest relationship experiences from the baby’s point of view and how these experiences set in motion life patterns have been the intense study of the field of prenatal and ...

Human fingers and toes do not grow outward; instead, they form from within a larger foundational bud, as intervening cells recede to reveal the digits beneath. This is among many processes captured ...

A decisive rebuke of the silliest argument for abortion. No one congratulates expectant parents on their “product of conception.” No one throws a “fetus” shower. No one thrills to hear the “embryonic ...