People removed by as much as 3 degrees of separation still had an effect on a person's happiness.

VOA: special.2009.01.21

Still,a theory exists that amyloid plaques are an effect of the disease, not the cause.

VOA: special.2009.09.15

"I think this is the big problem of the Abhisit government because his government still believes in trickle-down effect."

VOA: standard.2010.03.24