Blue phosphorus: How a semiconductor becomes a metal

The chemical element phosphorus is considered one of the most essential elements for life. Phosphorus compounds are deeply involved in the structure and function of organisms. Every human carries about one kilogram of it ...

Blue phosphorus—mapped and measured for the first time

Until recently, the existence of 'blue' phosphorus was pure theory. Now, an HZB team has examined samples of blue phosphorus at BESSY II for the first time and mapped their electronic band structure. They report that it represents ...

Reducing nitrogen inputs prevents algal blooms in lakes

For decades, experts have debated whether reducing the amount of nitrogen flowing into lakes can improve water quality in the long-term, even though blue-green algae can bind nitrogen from the air. However, no lakes with ...

Sonification of microbial data

(Medical Xpress)—Soft horns and a tinkling piano form the backbone of "Fifty Degrees North, Four Degrees West," a jazz number with two interesting twists: it has no composer and no actual musicians. Unless you count bacteria ...