We can freeze your eggs, but why now? You’re still young. Find a guy!” He did not supplement his moral prescription with clinical investigation. Rubab’s foray into reproductive autonomy explains one ...

Alfred Kinsey grew up in a world where sex education, such as it was, focused on abstention. Masturbation was held to be sinful, a sickness with the power to erode one's physical health and moral ...

While many of life's mysteries remain unsolved, every biologist can describe the basic processes performed by a living organism, including energy use, reproduction, growth and development. While these ...

The human-made cells show many hallmarks of life, but they can't make all their necessary internal structures or divide for ...

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus ...

From chemical building blocks, scientists have created synthetic cells that have most of the hallmarks of life.

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...

Seals, penguins and fish are featured in the nonprofit’s annual competition to inspire care for the world’s oceans Carlyn Kranking Innovation A Moment of Divine Inspiration Helped Melvil Dewey Bring ...

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

To participate, submit your response here by July 10 at 9 a.m. Eastern. This week’s winners will be announced by July 22. By The Learning Network Heeva Alavi, an Iranian-American, writes about her ...