- If carbon dioxide was once 20 times as prevalent in the atmosphere as it is now, why should we be concerned. http://en.wikipedia.org/wiki/Carbon_dioxide#In_the_Earth.27s_atmosphere 57 comments askscience
Linking pages
- Life Support - Atomic Rockets http://www.projectrho.com/public_html/rocket/lifesupport.php 157 comments
- What's Inside WD-40? Superlube's Secret Sauce | WIRED https://www.wired.com/2009/04/st-whatsinside-6/ 7 comments
- The Amazing Dry Ice Experiment - TechEBlog http://www.techeblog.com/index.php/tech-gadget/the-amazing-dry-ice-experiment 3 comments
- Arctic Azolla Event - Azolla Foundation https://theazollafoundation.org/azolla/the-arctic-azolla-event-2/ 0 comments
- A Few Basic Science And Tech Facts Many Americans Don't Know • TechCrunch http://techcrunch.com/2013/12/07/a-few-basic-science-and-tech-facts-many-americans-dont-know/ 0 comments
- Drinking distilled water https://www.nayuki.io/page/drinking-distilled-water 0 comments
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