5 Results

Does Having Kids Make Mothers Age Faster?

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

Sex Is a Coping Mechanism

Did sexual reproduction evolve to keep up with mitochondrial mutation?

How Your Embryo Knew What To Do

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

Why Egg Freezing Is an Impossible Choice

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

How a Zebra Mussel Convinced Me To Get a Vasectomy

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