Anybody who's ever mused that the world would be better if men got pregnant needs to talk to Nico Michiels. And so does anybody who's asked—or sung—"Why can't a woman be more like a man?" Michiels has seen that world, or at least a version of it, and he's even got pictures to show. It's not pretty, he says.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.