Modern dual-flush toilets have become increasingly common, but many people still don't fully understand their purpose. The two buttons on these toilets aren't just for flushing-they're an innovative ...

Add Yahoo as a preferred source to see more of our stories on Google. Closeup of person's hand flushing a dual-flush toilet - Yankovsky88/Shutterstock Designed with ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

COLUMBIA - It's now possible to save money with every trip you take to the bathroom. "The adage was if it's yellow, let it mellow. If it's brown flush it down," said Columbia Water and Light Energy ...

During the past year, various vendors, entrepreneurs and inventors, promoting dual-flush conversion devices for tank-type toilets, have approached numerous water efficiency professionals, water ...