From the moment of birth, female ovaries possess approximately a million primordial follicles, with each follicle housing an egg cell. Throughout a woman’s growth into…

From the moment of birth, female ovaries possess approximately a million primordial follicles, with each follicle housing an egg cell. Throughout a woman’s growth into…
Scientists discovered a new forest killifish in Kenya, revealing both evolutionary and tectonic history—but its …