I think sense of humour’s really important ... it might also lead to sex. Now sex is how babies are made but it can also be for fun. Either way it’s something that grown-ups do together.

This is an edition of The Wonder Reader, a newsletter in which our editors recommend a set of stories to spark your curiosity ...

www.youtube.com "Then, you will hold hands really tight, look into each other's eyes and recite every ... If you were wondering how we'd ended up in a bit of a sapphic baby boom recently, now you know ...

“The magnitudes of these indirect costs are really ... costs made up roughly 55% on average of their reproductive energy. “For mammals, the indirect costs of making babies was huge — it ...