When nature designed lignin — the fibrous, woody material that gives plants their rigid structure — it didn’t cut any corners. Incredibly slow to break down, lignin is so sturdy and long lasting that ...

Microbial fuel cells, as they're called, have been around for more than 100 years. They work a little like a battery, with an anode, cathode and electrolyte – but rather than drawing electricity from ...

Trains do not have the blinking turn signal lever found in automobiles. In contrast to cars, trains are not equipped with a manual handle to make a left or right turn. Instead, a train is governed by ...

The fuel cell's 3D printed cap peeks above the ground. The cap keeps debris out of the device while enabling air flow. New fuel cell harnesses naturally occurring microbes to generate electricity Soil ...