Opinion: Environmental sustainability and consumption

One of the politically destructive strands of environmental advocacy criticizes material consumption and attempts to make people feel guilty for air travel and other forms of behavior that pollutes the environment.

How a molecular motor moves in a network

A new study determines the efficiency of a single-molecule heat engine by considering a series of ratchets that transfer energy along a network.

Promising new catalysts for hydrogen fuel cells

Hydrogen fuel cells hold a lot of promise as sustainable and eco-friendly energy sources to power transportation by land, air and sea. But traditional catalysts used to drive chemical reactions in hydrogen fuel cells are ...

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