10 Completely Wrong Ways to Use Commas

Please add newsletter@email.howstuffworks.com to your address book to ensure delivery to your inbox. If you are having trouble viewing this email with images below, click here. 10 Completely Wrong Ways to Use Commas Commas are notoriously tricky punctuation marks, and with good reason. So how can you know if you're using them correctly? It comes down to one question: Is it essential? Read more... What is the most violent species? When we think about violent animals, many of us turn to creatures like sharks, bears, rhinos, crocodiles or even the Tasmanian devil. Which species outdoes the rest in its capacity to cause violence? Read more... Who was Rosie the Riveter? With her stoic expression and flexed bicep, Rosie the Riveter really can do it. And for the women of the World War II generation, that meant anything from riveting to welding. But even Rosie's pert, polka-dotted headscarf scraped the glass ceiling. Read more... Dollars and Sense: 401(k) Challenge 401(k)plans are one of the most widely used retirement plans. How much do you know about managing yours? Take this quiz to find out. Read more... SD Memory Card Quiz SD cards can sock away gigabytes of data like nobody's business. They're  small and reliable, perfect for digital cameras, smartphones and other portable electronics. Test your knowledge of these flash-memory wonders. Read more... At Discovery, we value your privacy. If you would like to adjust your email preferences, please click this link to our subscription center, where you can manage your account. Please click here to unsubscribe. Discovery Communications, LLC One Discovery Place, Silver Spring, MD 20910