NASA Clean Air Study - Wikipedia, the free encyclopedia
July 7, 2014 at 2:22:14 PM GMT+2 * - permalink -

- https://en.wikipedia.org/wiki/NASA_Clean_Air_Study#cite_note-Wolverton1996-5

9th Grade Science Project Finds Plants Don’t Grow Near Wi-Fi | True Activist
July 23, 2013 at 2:07:33 PM GMT+2 * - permalink -

- http://www.trueactivist.com/9th-grade-science-project-finds-plants-dont-grow-near-wi-fi/

6 air purifiying house plants
July 15, 2012 at 11:06:25 AM GMT+2 * - permalink -

- http://www.facebook.com/photo.php?fbid=267372223367865&set=a.162734817164940.27911.129370207168068&type=1

Scientists Invent Grow-in-the-Dark Plants
May 18, 2012 at 4:19:45 PM GMT+2 * - permalink -

- http://gizmodo.com/5911185/scientists-invent-grow+in+the+dark-plants

Ten Plants That Put Meat on Their Plates | Science & Nature | Smithsonian Magazine
April 6, 2012 at 5:34:24 PM GMT+2 * - permalink -

- http://www.smithsonianmag.com/science-nature/Ten-Plants-That-Put-Meat-on-Their-Plates.html?c=y&page=5