The U.S. once forged a bipartisan consensus to fight acid rain. Can we do likewise for other ecosystem breakdowns?

The sharp, punchy pow your egg salad has been missing

With air travel in Europe at a standstill, questions for the pilot: Why not overfly the cloud, or fly under it?

A legacy of a new kind of war

When a Malaysian student was put on the no-fly list, the government called it a mistake. Here's what else it may be

As women bring lawsuits, therapists are having to pay for their mistakes.

Your teacher probably left out the part about semen allergies, broken penises and having spontaneous orgasms

They're packed with flavor and super-satisfying, too

The real problems with cancer research, nanotechnology and religion: Readers respond to Greg Barrett's "Ignoring the Big C" and Howard Lovy's "Nanotech Angels."

Should we flush our colons or leave them alone?

Two psychedelic advocates say the mental health industry doesn't know what it's doing with its drug studies

Corporate Gift Center

The way we treat nonhuman animals has never been worse, say activists Lori Marino and Michael Mountain

The numbers tell the story of the Iraq War. Which is the least liked institution in America? Putting Gen. Petraeus' claims of Progress into perspective.

Jarrod Ramos had connections to vengeful right-wing theology, and a hero complex drawn from violent anime