The research efforts are a few of many at the museum.
A few research efforts have been found in this area.
Again, this work has led to significant research efforts around the world.
"The national research effort has shut its eyes to the goal."
Since the 1980s he has led two original and powerful research efforts.
Therefore more work has to be done in order to identify the main issues and to focus the research efforts.
Additional research efforts focus on various uses of the new technology.
The utility and 'the point' of these research efforts often didn't show up until much later.
But, in the last 20 years there has been an enormous international research effort to understand global change and the Earth system.
This is the area where you should concentrate your research effort.