McCollough Effect, Why Glass is Transparent, Bacteria at 33,000 Ft.
http://www.i-am-bored.com/bored_link.cfm?link_id=94350
Why Glass is Transparent - Video
Bacteria at 33,000 FT:
Source: http://www.popsci.com/science/article/2013-06/bacteria-33000-feet
"20 percent of what they had assumed to be just dust or other particles was alive. Earth, it seems, is surrounded by a bubble of bacteria."