Drop several seeds over the surface of the pot and cover with a thin layer of vermiculite, a substance that can hold air, water and nutrients.

VOA: special.2009.04.21

Drop the seeds over the surface and cover them lightly with soil.

VOA: special.2009.04.28

Volcanic activity broke the large island into pieces that came to the surface of the sea over time.

VOA: special.2009.12.16

Experts say Aquarius will gather as much information about sea surface salinity as has been collected by ships over the past one hundred twenty-five years.

VOA: special.2011.06.22

"We know that surface use of dispersants decreases the environmental risk to shorelines and organisms at the surface and we know that dispersants break down over weeks rather than remaining for several years as untreated oil might."

VOA: standard.2010.05.18