FTC approves Air Liquide acquisition of Airgas

Air Liquide, Paris, announces that the U.S. Federal Trade Commission has cleared the acquisition of Airgas, Radnor, Pa., by Air Liquide, satisfying the final regulatory condition to the closing of the pending acquisition.

Nanowire array cools down clothes

A new nanowire array could lead to personal, lightweight cooling units, which could be incorporated into firefighting gear, athletic uniforms, or other wearables.