The key difference between Ritalin and Vyvanse is that Ritalin blocks the reuptake of the catecholamines to effectively leave more free catecholamines in the neuronal synapse, whereas Vyvanse works by increasing catecholamines in the neuronal synapse through stimulating their release. Both Ritalin and Vyvanse are …

Apple iPad 2 vs Blackberry PlayBook in Australia Apple iPad 2 and Blackberry PlayBook are tablets with the power of a computer. RIM announced its amazing tablet, Blackberry PlayBook in December 2010; from the time onwards everyone is interested to know how Apple is going to face the competition in the tablet market. …

Front Office vs Back Office

Front office and back office are usually the part of the room or area of the building where people work. These are places in which clerical, professional or business activities are being conducted. This is where people do their thing from sales types, or computer types of jobs. Front Office …

Aphasia and Dysarthria are both medical conditions, related to communication impairment. Both the disorders have many similar things although there are some key differences. These disorders lead to communication difficulty, caused by some trauma, stroke, brain injury, or tumor. It occurs in the muscles of the brain …

Forest A forest is a large area dominated by trees. Hundreds of more precise definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing and ecological function. According to the widely used Food and Agriculture Organization definition, forests …

Snowmobile A snowmobile, also known as a motor sled, motor sledge, or snowmachine, is a motorized vehicle designed for winter travel and recreation on snow. It is designed to be operated on snow and ice and does not require a road or trail, but most are driven on open terrain or trails. Snowmobiling is a sport that …

Samsung Galaxy S2 (Galaxy S II) vs Galaxy Ace – Full Specifications Compared

Samsung Galaxy S2 (Galaxy S II) and Galaxy Ace are two 2011 inclusions to Samsung Galaxy family. While Galaxy S2 is smarter, stronger and  slimmest in the Galaxy family with high end features and suitable for busy professionals, Galaxy …

While purchasing any high-level commodity, you would have come across the terms guarantee and warranty . While the two of them are often misconstrued as one, there are significant differences. A guarantee is an assured promise to the customer by the manufacturer or seller, while a warranty is a written assurance backed …

Serial ATA (SATA) refers to a type of connector cable that is used to attach components, like hard drives, to a motherboard. A solid-state drive (SSD) is a type of storage drive that allows for very fast read and write speeds. Comparing the drive type with a type of connector cable does not really make sense. It is …

Whey Protein vs Protein   Proteins are one of the most abundant and useful macromolecules on earth. Protein function in living systems controls all the main mechanisms in them. Protein Proteins are one of the most important types of macromolecules in living organisms. Proteins can be categorized as primary, …