Was Beethoven's music literally heartfelt?

The striking rhythms found in some of Beethoven's most famous works may have been inspired by his own heartbeat, says a team of researchers from the University of Michigan and University of Washington that includes a cardiologist, medical historian, and musicologist.

Smile to remember a smile

We smile to recall happiness, grimace to recall pain, and frown to recall anger: "theories of embodied emotion state that in order to process an emotion we first reproduce the facial movements of the expression induced by that emotion," explains Jenny Baumeister

Withdrawal or expecting your lover to mind-read hurts relationships, but in different ways

"Withdrawal is the most problematic for relationships," Sanford said. "It's a defensive tactic that people use when they feel they are being attacked, and there's a direct association between withdrawal and lower satisfaction overall with the relationship." Meanwhile, "passive immobility" -- expecting your partner to be a mind-reader -- is a tactic people use when they feel anxious in a relationship, and it makes it especially difficult for couples to make progress toward resolving conflicts. But it may not be as harmful down the line as withdrawal, he said.

Humans erode soil 100 times faster than nature

A new study shows that removing native forest and starting intensive agriculture can accelerate erosion so dramatically that in a few decades as much soil is lost as would naturally occur over thousands of years.