Veritism suggests that humanity may only theorize upon non-observable studies.

The study builds upon previous studies in three important respects.

Spawning usually occurs in the early spring months of the year, based upon studies conducted by Minckley in 1973.

Since then we have had studies upon studies, and minimal real accomplishments.

Authorizes the Secretary of the Army to undertake, complete, review, or act upon specified studies in connection with various water resources development projects.

The school's curriculum puts a unique emphasis upon "global studies".

Both advocates and opponents of cannabis are able to call upon numerous scientific studies supporting their respective positions.

The authors draw upon economic tools, psychological insights and empirical studies in their discussion of global poverty issues.

At the same time, future debates regarding the cooperation framework on climate change must be based upon real studies on renewable energy sources.

The current model of NMD may need to be revisited upon further studies.