A newly identified molecular mechanism that powers sperm movement could enable nonhormonal male birth control and improve fertility treatments, researchers in the United States have found.
In different parts of the world, parents are tending now to be less likely to have a preference between having a son or a daughter - a massive change from tradition and culture that imposed an unfair pro-male bias.
At 97 years old, a female Galápagos tortoise became the oldest first-time mom of her species, welcoming four hatchlings and giving hope for the critically endangered reptile's survival.
Through investments and programs, UNICEF has played a key role in helping the world become a better place for children, from improving health and education to changing social and traditional stigmas.
Discussions regarding human trials of artificial wombs for premature babies have begun.