21.   Scientists have focused their research on possible mycotoxins produced by fungal organisms in pasture grass.

22.   Thomas has a doctorate in entomology and focuses his research on fruit fly ecology, according to the USDA.

23.   Wilmut said his research is now focused on improving conditions at the earliest stages of creating a cloned embryo, where he believes most problems begin.

24.   The research is focused on new treatment methods for the Helicobacter pylori bacterium, which is viewed as one of the causal factors behind the development of peptic ulcers.