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Came across this channel a few years back when he was creating his own mine in the US, this video recently popped into my subscription box. He talks about the science behind why you can hear thunder underground before you can hear it through the air, really interesting topic.

This sounds exciting to watch but would likely set off something huge in the media and possibly a mass scare/fear in some areas around the world especially in areas that do not get much news and so not know it's a hoax. Certainly going to be interesting though. http://uk.news.yahoo.com/-alien-invasion--to-launch-in-april---but--ufos--will-be-glowing-drones-piloted-by-hoaxers-084204169.html#1tDDf4z - Yahoo news. Read some other information on this project or experiment: http://ufosightingshotspot.blogspot.co.uk/2014/02/world-wide-false-flag-ufo-event-planned.html This is a quite concern

Some will already be aware of this, but I think it merits a separate thread. The University of Chicago is running an 8 week MOOC (Massive Online Open Course) for non-scientists about climate change. The direct link to the course is here: https://www.coursera.org/course/globalwarming This is a fabulous opportunity for absolutely anyone who has an interest in the subject, or doubts about the science, to learn the basics and understand how it all works. It is FREE. You don't have to buy anything. You can drop out if you want. You don't need any qualifications (though they suggest