Sexual selection enhances opportunities to mate, the tail of male peacocks being an iconic example. Biologists have found that sexual selection and 'placentation' -- the formation of a placenta -- are ...

Understanding the molecular control of placenta formation, the organ which enables fetal growth, is critical in diagnosing and treating related pregnancy complications. A group of scientists at the ...

The placenta supports the fetus while it is in utero (and, according to some, a placenta can even support a rosebush if it's buried under one after delivery). We know a placenta is essential for a ...

WASHINGTON -- Scientists carefully probe a placenta donated after birth, bluish umbilical cord still attached. This is the body's most mysterious organ, and inside lie clues to how this giver of life ...

WASHINGTON — Scientists carefully probe a placenta donated after birth, bluish umbilical cord still attached. This is the body's most mysterious organ, and inside lie clues about how it gives life - ...

An experimental study from researchers in the Perelman School of Medicine at the University of Pennsylvania links a specific procedure - embryo culture - that is part of the assisted reproduction ...

RIVERSIDE, Calif. — Sexual selection refers to species' selection for traits that are attractive to the opposite sex. This special type of natural selection enhances opportunities to mate, the tail of ...