Scientists use the Saffir-Simpson Hurricane Scale to measure the intensity of storms based on wind speed.
VOA: special.2010.08.24
People really rely on hearing it from other people." ResearchGate developer Ijad Madisch says he knows his site will only prove valuable if scientists use it to help each other.
VOA: special.2011.04.28
But the scientists say the Chinese farmers have now had to use more insecticides to fight the mirids.
VOA: special.2010.05.25
Scientists are also working on other plants that either use less water or use it better, or both.
VOA: special.2009.01.20
Scientists at the agroforestry center say the use of fertilizer trees can reduce the need for chemical nitrogen by up to three-fourths.
VOA: special.2009.09.01
They worked with American scientists and engineers to develop and test new rockets for military and scientific use.
VOA: special.2009.06.10
Scientists are also working on other plants that either use less water or use it better,or both.
VOA: special.2009.03.23
NASA scientists had tried to solve the problem by designing new tools for use in space.
VOA: special.2009.06.24
For example, some scientists hope to use stem cells to replace tissues damaged by disease.
VOA: special.2009.04.14
For example,some scientists hope to use stem cells to replace tissues damaged by disease.
VOA: special.2010.06.15
For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.
VOA: special.2010.07.21
Scientists would use radar to search for liquids under the ice.
VOA: special.2010.05.25
Scientists at Sanaria use non-malaria carrying mosquitoes to develop their vaccine.
VOA: special.2010.04.20
Scientists have discovered more details about how plants use water.
VOA: special.2010.01.26
But it is safer for the scientists to use.
VOA: special.2010.05.05
Dr.Nicholas says before he left the FDA, he and other scientists warned against the routine use of CT scans.
VOA: standard.2010.04.07
I think we're pretty far past that." With drug use high, Kerlikowske says U.S.scientists conduct 85 percent of the world's research on drug treatment.
VOA: standard.2010.07.02
Most scientists believe the warming trend is mainly caused by human activity, especially the use of fossil fuels and the cutting down of forests.
VOA: standard.2009.12.09
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