Sentences with phrase «produce radioactive substances»
Nuclear explosions produce radioactive substances that are rare in nature — like carbon - 14, a radioactive form of the carbon atom that forms the chemical basis of all life on earth.
http://www.businessinsider.com/ Not exact matches
They sent soil samples for DNA testing, looking for matches with particular genes known to be found in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the cells produced; and they used highly sensitive radiorespiration activity assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.