This Machine Turns Poop Into Drinkable Water

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. » 1/09/15 2:47pm 1/09/15 2:47pm

Tiger poop could help save endangered species

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. » 11/21/10 9:00am 11/21/10 9:00am