The company says it is simply keeping a database of Wi-Fi hotspots and cell phone towers near the user's location.

VOA: special.2011.05.02

Sickle cell disease, also called sickle cell anemia, is a genetic condition that deforms red blood cells.

VOA: special.2009.12.16

The University of Illinois Extension says cabbage is easily transplanted from bare-root plants or cell packs.

VOA: special.2009.03.03

To many people,the ability of a cell to reproduce itself is the definition of life itself.

VOA: special.2010.07.20

He says the new cell is one of the most important scientific gains ever made.

VOA: special.2010.07.20

The Royal Swedish Academy of Sciences is honoring all three researchers for studies of the structure and operation of a kind of cell called a ribosome.

VOA: special.2009.12.08

But,cell death is delayed if a lot of the enzyme telomerase is produced.

VOA: special.2009.10.07

He says it is the first cell whose parent was in a computer.

VOA: special.2010.07.20

This third copy is a result of a mistake in cell division.

VOA: special.2009.09.09

The cell is made from a synthetic genome.

VOA: special.2010.07.20

"We have one project called bee-spotters, which is now restricted to Illinois, where we ask people to go out with a digital camera,even a cell phone, and photograph either bumblebees or honeybees."

VOA: special.2011.05.24

The CellScope is a cell phone microscope.

VOA: special.2009.08.03

This kind of cell-line is called "immortal."

VOA: special.2010.07.21

"All genes are encoded by DNA and the DNA is present in the chromosomes in the cell nucleus and telomeres, they are the ends of the chromosomes and they have an important function to protect the chromosomes and maintain the integrity of the chromosomes."

VOA: special.2009.10.07