Scientists discover that charcoal traps ammonia pollution

Cornell University scientists Rachel Hestrin and Johannes Lehmann, along with collaborators from Canada and Australia, have shown that charcoal can mop up large quantities of nitrogen from the air pollutant ammonia, resulting ...

Metal model mimics metalloenzymes

(Phys.org) —Metal ions play critical roles throughout biochemistry, often facilitating the cleavage of the bond between the two atoms in an oxygen molecule in metalloenzymes. They are the key to oxidizing organic molecules ...

Clear lakes disguise impaired water quality

Looks can be deceiving. Look at a hundred lakes in the agricultural heartland of the United States and you will likely see green lakes surrounded by green fields. The nitrogen and phosphorus in agricultural fertilizers that ...

Atomic nitrogen route to new 2-D semiconductors

A simple and non-destructive fabrication technique could aid the manufacture of more energy efficient two-dimensional (2-D) films needed to transform the electronics industry.

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