Water to wine? Yawn. The Janicki Omniprocessor turns human waste in sewer sludge into drinking water and electricity, in about five minutes. Here's how it works.
Bad guys can't just close their window shades to hide from the law anymore. A European research group has developed a high-tech way to detect bomb makers and illegal drug labs—by sniffing what they flush down the toilet.
There are only about 3000 tigers left, mostly spread across a hundred thousand square kilometers of Indian forest. To save them, we first need to know how many are left and where they are...and that's why we need tiger poop.