Weighing barely 100lb and just 28in tall, the new toilet is roughly half as big as the two Russian-built ones at the space station. Nasa’s first new space toilet in decades — a 23 million dollar (£18 ...

Teaching your child to be fully independent when going to the bathroom is important now that public schools are enrolling 4-year-olds in transitional kindergarten. Consider this Potty Training II.

You can lead a cow to a water closet, but can you make it pee there? It turns out that yes, you can. “I’m always of the mind, how can we get animals to help us in their management?” says Lindsay ...

Potty training can feel like an Olympic event—one that comes with lots of cheering, a few stumbles, and maybe a surprise ...