Add Yahoo as a preferred source to see more of our stories on Google. My family always keeps the toilet lids closed whenever they're not in use for two main reasons: so that our dogs don't drink ...

File this one under “Studies We Wish Had Let Us Remain Ignorant.” Scientists at the University of Arizona decided to investigate whether closing the toilet lid before flushing reduces ...

To flush or not to flush. That was the question that designers and ecologists were asking each other this week as hundreds of people — who spend a lot of time thinking about these things — convened ...