Atoms make great graphics for explaining many concepts — they can also be combined with other graphics as shown in this new Atom Graphics collection. And if you want to record narrations within PowerPoint for Mac, we show you how you can set your microphone. Adobe Presenter users can learn how to add presenters to your eLearning projects. And for PowerPoint 2013 (Windows) and 2011 (Mac) users, we show you how you can remove existing Sections within your presentations. PowerPoint 2010 for Windows users can explore animating slide objects while some audio or video clip is playing. And finally, for all versions of PowerPoint we look at differences in using pictures within Content and Picture placeholders.