31.   Police have been destroying the plants to try to stop the drug trade in Colombia, as coca plants are used to make cocaine.

32.   Scientists in Australia and Switzerland and at Berkeley are using chemicals or radiation to induce mutations in arabidopsis, a model plant used in research.

33.   Since they disappear in midsummer, plan on using neighboring plants that will lean in to cover the space and begin their bloom around this time.

34.   Smith envisions an arboretum dedicated to science and education that hosts symposiums and uses plants to introduce scientific methodology to local elementary school students.

35.   She said the supply system has been in touch with the Energy Department to urge using the plant for that purpose.

36.   Someday, NASA hopes to use plants routinely to help purify air and water and to be a source of food for astronauts.

37.   Sudanese authorities insist that the plant was used to produce pharmaceuticals, noting that the U.N.sanctions committee had authorized the Shifa factory to export veterinary medicine to Iraq.

38.   The company says that using plants like Indian mustard, a method discovered by Rutgers University scientists, is cheaper than digging up the soil and hauling it away.

39.   The idea of using plants to remove metals from soil is not unheard of.

40.   The idea is to use these plants as a mirror in which to see ourselves, our desires.