But activities that some schools offer now, like rock climbing walls and skateboarding, can also expand the risks, says Cheryl Richardson.

VOA: special.2009.08.06

People can also cause a blockage when they try to clean out their ears, but only push the wax deeper inside.

VOA: special.2010.03.31

Also,you can monkey around when you feel like doing something, but have no firm idea of what to do.

VOA: special.2011.03.13

But he's also kind of that great sport enemy that we can all sort of love to hate."

VOA: special.2010.06.25

But Michael Meyer notes that methane also can come from a purely non-biological process called serpentinization.

VOA: special.2009.12.30

But hydraulic fracturing can also produce debate and anger over the risk of groundwater pollution.

VOA: special.2009.10.23

But the virus can also infect humans, and South Africa has been experiencing an outbreak.

VOA: special.2010.07.12

But it also can be so severe that a person cannot live a normal life.

VOA: special.2010.03.30

But it can also increase the risk of soil erosion by rain or wind.

VOA: special.2010.09.28

But advisers say these can also be difficult sometimes for foreign students to get.

VOA: special.2009.05.28

But they also advise leaving enough space between the plants so air can flow.

VOA: special.2010.06.29

Snow can be beautiful to look at, but it can also be dangerous.

VOA: special.2010.01.05

But it can also be very different within areas of the same country.

VOA: special.2009.09.09

But sod can also have problems, especially if it was not very fresh.

VOA: special.2009.07.07