This study was observational, and intravenous treatment by enthusiastic investigators has a considerable placebo effect. |
The Hubble Deep Field images have made some of the greatest impacts on observational cosmology so far. |
No spatial stretching occurs, yet many of the observational tests of a cosmological model are verified. |
The community portrait is based on first hand comments and observational camerawork. |
It is important to remember that the observational data do not communicate consumer thoughts and meanings. |
Shivering was recorded by using both an electromyogram and a 4-point observational scale. |