Free widescreen rainbow for PowerPoint presentations is a nice abstract slide design that you can download and use with cinematic format. Free widescreen template contains a rainbow stream and is an abstract slide design that you can download for MS PowerPoint 2010 and 2013.

Free PPT template with rainbow background for PowerPoint can be used to make PowerPoint presentations on R&D (Research & Development) as well as other interesting presentations in the biology and bioinformatics since the slide design has a kind of DNA stream illustration created with rainbow colors.

Alternatively you can download other free Microsoft PowerPoint themes and business development slides for presentations.