While toilet bowls are designed such that the contents are supposed to flush downward, scientists have known for decades that small particles – including those from water, waste and toilet paper ...

A Delhi-bound Air India flight caught the attention worldwide after it was forced to return to Chicago on March 5 owing to ...

“An aircraft toilet makes use of the fact that the ... a very rare “blue ice” phenomenon could occur. Older flush systems used a blue waste-treatment liquid to assist the flush, and a ...

Consider the 140,000 times you're likely to flush a toilet over a lifetime, and it's easy to see why toilets guzzle nearly 30 percent of a home's water use. Replacing older, inefficient toilets ...