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

Scientists captured first real-time 3D video of human embryo implantation, revealing mechanical forces behind successful pregnancy.

Research shows how the curved shape of a zebrafish egg sets cell division timing, gene activation, and early cell fate ...

What do the earliest stages of a pregnancy look like? Embryonic development has been extensively studied, but most of our knowledge of the earliest stages of a growing baby come from stationary ...

"Volume I ,with 423 illustrations." "Volume II, with 658 illustrations." Volume 1: xviii, 548 pages; volume 2: viii, 1032 pages, 1 leaf of folded plates. Beckwith, J ...

The mystery of early embryonic communication is starting to be unraveled thanks to a new stem cell-based model.

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

Over the past year or two, we have been exploring what we termed the origins—or the embryology—of human development. We examined the three pillars of development: Feelings (Affects), Language, and ...