Featured in sewage
Poop could be the key to tracking COVID-19 outbreaks
Searching wastewater for the coronavirus is fast, cheap, and anonymous.
182,000 Indians clean sewers largely by hand. These robots could help.
To transform manholes into robo-holes, the country must seek broader social change.
Scientists are scrutinizing city sewage to study our health
It's not just useless crap.
How flushing your toilet could help create biofuel
A new process emulates the way crude oil forms naturally— in only 45 minutes.
Sewage Could Help Power Our Homes
One of 10 insane ideas that just might save the world
Washington, D.C. Is Now Partially Powered By Sewage
This has nothing to do with politics
Big Pic: A Texas-Sized Algae Bloom
Phytoplankton is choking off natural food chains in the Arabian Sea.
Fake Snow Made From Sewage Comes Out Yellow
An Arizona ski resort was the first to make snow from sewage "effluent," but the color was just a little off. Oops!
2011 Invention Awards: From Waste To Water
A machine that uses exhaust heat to treat onboard sewage
The 2011 PopSci Invention Awards
A jet-propelled body board, cheaper prosthetic hand and more