Older fatherhood isnt all bad: testosterone rates drop about 1% per year as men age, making them less reactive and more patient, and a professionally established middle-aged man is likely to have more time and money to devote to his kids than a twenty-something whos just getting started. – Jeffrey Kluger

There are a lot of downsides to being male. We age faster and die younger. But give us this: were lifetime baby-making machines. Womens reproductive abilities start to wane when theyre as young as 35. Men? Were good to go pretty much till were dead. – Jeffrey Kluger