Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

They noted that the grass can absorb and control the spread of harmful wastewaters, like those from pig farms.

VOA: special.2010.02.09

They say current tests show that the pouch can safely store the drug for as long as four months.

VOA: special.2010.05.24

Professor Bartemeus says the study shows how human activities in the natural environment can change the travels of other organisms.

VOA: special.2010.03.02

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

But here,the many objects are stored behind glass so the public can explore the Met's rich collection of historical objects.

VOA: special.2010.08.04

The leaves make good salads when the plants are young, and the greens can be cooked when the plants are older.

VOA: special.2010.03.02

They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system.

VOA: special.2009.03.11

The last hurrah also can mean the last acts of a politician, before his term in office ends.

VOA: special.2010.04.11

The plastic can block air passages. The trash can also make the animal feel full, lessening its desire to eat or drink.

VOA: special.2009.09.22

They say the program can show the source, placement and size of several strong earthquakes within two minutes.

VOA: special.2009.03.17

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

The mutations in these genes can increase the risk for other kinds of cancer, including cancer of the cervix, uterus and pancreas.

VOA: special.2010.09.22

The findings suggest that thinning during the on-crop year can increase the value of off-year pecan crops.

VOA: special.2009.11.10