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

When it is cold outside, the president and his family can warm up near one of the White House's twenty-eight fireplaces.

VOA: special.2009.05.08

For example, lightning can create tubes of glass when it strikes sand that has the right combination of minerals.

VOA: special.2009.09.16

Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than five centimeters.

VOA: special.2010.01.19

The American Academy of Pediatrics says some poisons can cause additional damage when they come back up the throat.

VOA: special.2009.08.11

Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than 5 centimeters.

VOA: special.2009.01.06

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

Progress on a work plan for securing nuclear materials can be discussed when South Korea holds the next summit in two years.

VOA: special.2010.04.17

The court can try people for genocide, war crimes and crimes against humanity when their own countries are unwilling or unable to.

VOA: special.2010.06.21

And so when you can find an artifact that very comfortably dates the site to the appropriate period, that's exciting for an archeologist."

VOA: special.2011.07.26

The waters can look so still and blue, like a painting, though they can also become rough with waves when the wind blows.

VOA: special.2009.01.05

It can be treated when found early, but once it grows the chances of survival drop sharply.

VOA: special.2009.05.13

She says she wants the students to know that even when facing hard times, they can succeed.

VOA: special.2009.01.28

A book drop is the small metal door in the wall of the building where people can return books when the library is closed.

VOA: special.2009.02.23