The researchers say the bacteria were grouped together in a thin, but sticky area of cells on the inside of showerheads.

VOA: special.2009.10.13

At the same time,though, the two scientists found that the protein can also support the growth of cancer in some cells.

VOA: special.2010.05.18

Nothing happened when they turned on the light in cells in an area of the brain called the subthalamic nucleus.

VOA: special.2009.04.07

It gets worse over time. The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.04.07

They are being honored for their work in the nineteen eighties about the health of cells and the aging process.

VOA: special.2009.10.07

In March, President Obama ended restrictions on the use of federal money for research using human embryonic stem cells.

VOA: special.2009.04.07

They used light-sensitive molecules to turn on and off nerve cells in the deep brain structure of mice.

VOA: special.2009.04.07

The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

Research published mainly in nineteen seventy-three had found proteins on the surfaces of nerve cells in the brain.

VOA: special.2010.05.04

At the same time, though, the two scientists found that the protein can also support the growth of cancer in some cells.

VOA: special.2009.01.27

In nineteen eighty-six, Rita Levi-Montalcini shared the Nobel Prize in physiology or medicine for discovering processes that control the growth of cells and organs.

VOA: special.2009.05.13

Cells in the airways begin to produce too much of a thick, sticky substance called mucous.

VOA: special.2009.07.28

The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.02.03

In late March, the synthetic genome started to produce a new form of cells.

VOA: special.2010.07.20