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Upon fertilization, two highly specialized meiotic germ cells, the sperm and egg, need to be transformed into a totipotent mitotic embryo. Sperm bind to the zona pellucida of the egg by an unknown ...

Researchers at Northwestern knew fertilization triggered millions of zinc particles, but they’d never actually seen the process until now. Update, Dec. 19, 2014: This post has been updated to specify ...

What Is In Vitro Fertilization? In vitro fertilization (IVF) is a type of fertility treatment. IVF involves taking eggs removed from the ovaries, fertilizing them with sperm to create an embryo, and ...

Thomas Markle Rushed Into Emergency Surgery as Children Beg Meghan for Compassion Meghan Markle’s father, Thomas Markle, is reportedly in intensive care after undergoing emergency surgery in the ...