Extras
See how your time inside the womb has determined your destiny on the outside.
See how your time inside the womb has determined your destiny on the outside.
Learn how you became the unique individual you are.
Follow the story of how, from one egg, you took on unmistakably human form in the womb.
An extraordinary 70-year-long study in longevity has shown some shocking results.
Two men with nearly identical lifestyles, but vastly different metabolisms.
A genetic mutation from generations ago causes half of this family to grow 6 fingers.
A misfiring hormone long before birth can change gender later in life.
A baby's parents decide he will undergo surgery to repair a cleft lip.
Latest Episodes
See how your time inside the womb has determined your destiny on the outside.
Follow the story of how, from one egg, you took on unmistakably human form in the womb.