Certain contaminants show slightly higher levels in the affected birds, but nothing at levels where we'd expect to see gross changes. (dotearth.blogs.nytimes.com)
In a developing embryo, for example, a researcher could determine whether or not newly synthesized or long - lived transcription factors control gross changes in gene expression as new body sections are formed. (blog.addgene.org)
«Monitoring gross changes in forest cover — both losses and gains — is now not a technical challenge because there are many satellite data providers to choose from, robust methods for imagery interpretation, and increased computing power; what is needed is the global commitment to allocate the resources to get the job done,» says Brown. (sciencedaily.com)