• Musser-HERO

    Sex Is Driven by the Impetus to Change

    Hooking up is nature’s way for a species to overcome a bad genomic match.

  • Cepelewicz_HERO

    Does Having Kids Make Mothers Age Faster?

    Evidence is stacking up on both sides of an age-old debate.

  • McGowan_HERO_anim

    When Pseudosex Is Better Than the Real Thing

    What we can learn about evolution from species who thrive without sexual reproduction.

  • Musser-HERO-Anim2

    Sex Is a Coping Mechanism

    Did sexual reproduction evolve to keep up with mitochondrial mutation?

  • Riley_HERO-5

    How Your Embryo Knew What To Do

    The forgotten story of the woman who discovered how animals get their shape.

  • IVF embryo selection

    The Slower, Gentler Version of IVF

    Microscope image showing selection of an embryo for IVFScience Photo Library – ZEPHYR via Getty Images For women who have trouble conceiving, being told they’ll need assistance is often accompanied with a sense of dread: what they hoped would be a natural, quick, and inexpensive process (what’s cheaper than natural conception?) can change into a […]

  • Rabinowitz_HERO-1

    Why Egg Freezing Is an Impossible Choice

    I don’t want to surrender to a lottery. But will I regret not playing?

  • Film-Still_HERO

    How a Zebra Mussel Convinced Me To Get a Vasectomy

    “It’s amazing what we let our teachers teach us.”

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    Carriers, Part 5: The Aftermath

    This is the final installment of a five-part series. First read Part 1 , Part 2, Part 3, and Part 4 to get caught up.  Correction: The text about tests that can be done 10 weeks into pregnancy was changed to clarify the difference between CVS—an invasive test that is available now and can determine whether […]

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    Carriers, Part 4: The Results

    This is the fourth installment of a five-part series. First read Part 1, Part 2, and Part 3 to get caught up; then go on to Part 5. Lauren R. Weinstein is a cartoonist, cartooning teacher, and avid gardener who lives in scenic Maplewood, New Jersey. She is currently working on a teenage memoir entitled How to Draw a […]