NASA scientists hope to extend their search for water as deep as five meters beneath the surface of the moon.
VOA: special.2009.09.30
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
The systems are especially useful for those who are too sick to go a long way for water.
VOA: special.2009.07.27
The program pays for water research at universities that border either the oceans or the Great Lakes.
VOA: special.2009.01.05
It takes centuries for water dripping through the rock to make these beautiful formations.
VOA: special.2009.07.20
For four days, the wounded lay on the battlefield crying for help,for water.
VOA: special.2009.11.26
That increases demand for water.
VOA: special.2009.05.18
The foundation put in this basketball court and a well for water.
VOA: standard.2010.06.01
And a well for water was recently drilled.
VOA: standard.2010.03.29
are very similar genetically. "And that's a real problem when you're trying to overcome new insect or disease threats or pressures, or trying to breed a plant that's more water efficient, or even finding genetic variation for water production."
VOA: standard.2010.02.01
But the library basement also has another use as a studio for making ceramic water filters for the developing world.
VOA: special.2009.06.22
The research is part of a project to search on land and in the water for remains of the Lost Colony.
VOA: special.2009.08.17
They walk along the Frijoles stream lined with green trees that once was the only water supply for the valley.
VOA: special.2010.07.05
New irrigation methods are expected to double wheat production while using one-third of the water required for full irrigation.
VOA: special.2010.02.08
应用推荐