Several years later, researchers discovered the exact cause of pellagra: a lack of the B vitamin known as niacin.

VOA: special.2009.01.27

Getting a grade like a B-plus or a C-minus adds or subtracts a few tenths of a point.

VOA: special.2009.03.05

He says these particles would offer a more exact method of transporting the short-lived drug, called B-H-three mimetic.

VOA: special.2010.03.16

And forty percent thought they should get a B, the second highest mark, just because they did most of the reading for class.

VOA: special.2009.03.12

Most American colleges and universities use the grading system of A,B,C,D and F.

VOA: special.2009.03.05

The pilot of the huge B-52 bomber plane pushes a button.

VOA: special.2010.07.07

Released in 1955, it was the first of more than a dozen Top 10 R&B hits Richard collected over the next three years.

VOA: standard.2010.07.08

But,B'Tselem's Jessica Montell says the continued reports of atrocities warrant action by Israeli society as a whole.

VOA: standard.2009.09.09

It's kind of like , where you had side A,side B and you just flipped it over when you wanted to change your mood so to speak.

VOA: standard.2010.06.18

He went on to become a sought-after studio musician, working alongside a steady stream of pop and R&B greats, before landing a solo recording contract in 1992.

VOA: standard.2010.04.12

B.C.Street is a group of seven pavilions representing 82 communities throughout British Colombia.

VOA: standard.2010.02.23

a result of his life-long infection with hepatitis B.

VOA: standard.2010.07.26

(Speaking) Bdi says although they can't exactly get back the time lost as a result of these technical delays, other steps in the process can be accelerated to ensure that the vote happens on schedule.

VOA: standard.2009.09.29

"There were some problems with some tactics, techniques and procedures, the way in which close air support was supposed to have been executed in this case, such that, at least with one of the aircraft involved, a B-1 bomber, that plane because of how it takes its bombing routes had to break away from positive I.D.

VOA: standard.2009.06.08