First, let's get a bit of the jargon down. The playing surface in curling is called the sheet. Sheet dimensions can vary, but they're usually around 150 feet long by about 15 feet wide. The sheet is covered with tiny droplets of water that become ice and cause the stones to curl, or deviate from a straight path.
RE: FDG Uptake Explanation - PET SCAN. uptake is the amount of radioactive sugar that the cells are using for metabolism. It is possible to have a positive area on PET that is not cancer. Thats why its important to compare one scan to the next to see if there are changes.
The use of standardized uptake values (SUVs) is now common place in clinical FDG-PET/CT oncology imaging, and has a specific role in assessing patient response to cancer therapy. Ideally, the use of SUVs removes variability introduced by differences in patient size and the amount of injected FDG.