As in OCR based document scanning software, barcode scanning software uses information on the scanned images themselves to name files and place them in the appropriate folders.
The most familiar of the fat-storing hormones. Thyroid is perhaps the first hormone that gets medically checked when a patient complains of weight gain. Interestingly enough, it should actually be the LAST on the list of things to modify in order to produce healthy results.
Fat is the other main group of molecules which the body uses to store energy. It is very energy dense, because fat doesn't need to be stabilised with water, whereas carbohydrates do. Therefore fat uses less volume to store the same amount of calories. The down-side as I've already mentioned, is the time it takes your adipose (fat storing) tissues to respond to a lowered blood sugar level. Edit - Yertle, ATP is a short term energy transfer molecule, not a storage molecule.