Laura Edwins

Dressing the part at work can be a smart investment. Studies have found that having a put-together appearance can help boost your earnings. In my job as a senior social media editor for CNBC, I have found that the right look can also boost my performance: When I feel like I look good at work, I'm in a better mood and more willing to collaborate and speak up in meetings. But I have also found ways to make sure buying and maintaining clothes and shoes doesn't have to cost a whole paycheck.

At last, McDonald's 'secret' special sauce aficionados can satisfy that craving in their own kitchens. A video by McDonald’s executive chef, Dan Coudreaut, provides a lesson on how to make a Big Mac at home with ingredients from the grocery store. When it comes to the special sauce section, Chef Coudreaut shows how it comes together step by step. The sauce includes three base ingredients, mayonnaise, yellow mustard, and sweet relish.

Throughout the day as the medal count kept climbing, the US closed the gap on China, tying the gold medal count at 18, and overtaking them with a total count of 37 to China's 34. The US women were relentless Thursday. The women's eight rowing team won their event, Kayla Harrison took judo gold, Gabby Douglas beat the Russians in the women's gymnastics all-around, and swimmer Rebecca Soni set a new world record in the women's 200-meter breaststroke.