Johnson says that the Buffalo Soldiers learned to keep their tempers under control, because if they didn't rise above a conflict, they'd be court-martialed and lose their jobs.

VOA: standard.2009.11.25

It's that time of year. So that the violence level would rise doesn't - doesn't surprise me at all."

VOA: standard.2010.05.26

But it wasn't always so. The rise of the soybean in America is a 20th-century phenomenon.

VOA: standard.2010.02.01

"We know that it is a risk factor but we can't attribute the rise in autism to the shifting trend towards having children later in life."

VOA: standard.2010.02.10