Infection can spread through touching an infected surface and then touching your eyes, nose or mouth.

VOA: special.2009.07.14

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

VOA: special.2009.04.28

"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

Space scientists have collected a wealth of information from spacecraft that have orbited,landed on and dug into the Martian surface.

VOA: special.2010.07.28

The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.

VOA: special.2011.04.06

NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.

VOA: special.2009.12.30

Professor Roark says knowing the age of the corals might help scientists understand earlier water conditions and ocean surface productivity.

VOA: special.2009.05.12

Plate tectonics is the area of science that explains why the surface of the Earth changes and how those changes cause earthquakes.

VOA: special.2010.01.12

He would wait in orbit around the moon while Armstrong and Aldrin landed and explored the surface.

VOA: special.2009.07.15

Buff is also a soft cloth used to rub a surface until it looks bright and shiny.

VOA: special.2009.05.17

Embroidery work involves using colored yarn and a needle to create designs on the surface of cloth.

VOA: special.2009.11.04

But another NASA project, the Lunar Crater Observing and Sensing Satellite,or LCROSS, could provide answers to what lies deeper beneath the moon's surface.

VOA: special.2009.09.30

Pollock placed the canvas on the floor and threw different colors of paint onto its surface.

VOA: special.2010.03.24

It carried oxygen,water, electricity and food for two men for two days on the moon's surface.

VOA: special.2009.07.22