As a faith-based creed, populism always tended to corrode respect for elite achievement, individualism, urban life, secularism, and capitalism.

FORBES: Mitt Romney's Uphill Battle Against Anti-Capitalist Conservatives

But many are anxious about chemicals--acids to dissolve minerals and create cracks, surfactants to make fluids more slippery, agents to prevent bacteria that corrode pipes.

FORBES: Energy

Although a real threat exists, to let security trump liberty in every case would corrode the civilised world's sense of what it is and wants to be.

ECONOMIST: Civil liberties under threat

Draconian or daft laws corrode the very links to Muslim Britain that the government and police say they need to combat terrorism.

ECONOMIST: Terrorism

It takes up to 1 millisecond to write a single one or a zero to flash, and the parts corrode with each stroke.

FORBES: Total Recall

Officials feared the brackish storm water that poured into subway tunnels and onto tracks could corrode vulnerable signal and switching systems, adding to the time workers will need to reopen the MTA's full system, which ferries 8.5 million passengers on a typical workday.

WSJ: Buses Back, But Subways Could Take Days Longer