Originally published on Mon December 1, 2014 4:20 pm
What can you do with human waste? Besides flushing it?
That's a question that came to mind when we read about the United Kingdom's first-ever "Bio-bus." It's a tour bus that runs between the cities of Bristol and Bath. The tank is filled with biomethane gas generated from food waste and human excrement.
And it turns out that the bus isn't the only example of poo power.
Originally published on Tue November 25, 2014 1:56 pm
The invisible world of the bathroom isn't pretty — unless you're a microbe. After scanning the microbial zoo of four public restrooms recently, a team of researchers found a diverse swarm of characters that persisted for months despite regular cleaning of the facilities.
Originally published on Fri November 21, 2014 5:36 pm
Washington state is home to more glaciers than any other state in the lower 48, and they're receding faster than ever before. That's a problem for the Pacific Northwest, where glaciers are crucial for drinking water, hydropower generation and salmon survival.
Part 1 of the TED Radio Hour episodeQuiet. Listen to second part of this story here.
About John Francis's TED Talk
For almost three decades, John Francis has been a planetwalker, traveling the globe by foot and sail with a silent message of environmental respect and responsibility. For 17 of those years he didn't speak a word.
Originally published on Thu December 4, 2014 1:04 pm
A brain area that recognizes faces remains functional even in people who have been blind since birth, researchers say. The finding, presented at the Society for Neuroscience meeting this week, suggests that facial recognition is so important that evolution has hardwired it into the human brain.
What would you do with thousands of tons of leftover nutshells? It's a question that Turkey — the world's third-biggest producer of pistachios, behind Iran and the United States — has been asking itself for years.
Usually discarded pistachio shells end up in landfills, but nut-loving Turks think they've found a far better solution by turning it into biogas, an alternative fuel produced by the breakdown of organic matter.