Sperm, wearing flippers

Sperm sometimes don’t swim very fast. In fact, one in five men have been diagnosed with slow-swimmers. This can cause infertility. The answer? Give the sperm little flippers to wear, so they can swim faster. Well, they’re not really flippers: they’re...

Embryo fights: born into a broken home

It’s bad enough to have children with someone and then get divorced — but what about getting divorced and then having kids with your ex? It may seem preposterous, but there are people who want to do exactly that. Well, to be fair, post-divorce procreation...