Liife, the universe, and humanity
We definitely need a new source of energy. We have been burning millions of years of plant and animal remains for more than a hundred years now, some day there'll be no more to burn. The Sun is the ultimate source of energy, more research should be aimed toward more efficient way of harnessing the abundance of photons we receive from the center of our solar system. And don't even think that hydrogen is an alternative, it is just a marketing hype!
Old Volkswagen, airplane, Queen and Brian May, the Beatles and John Lennon, history of the universe, God existence (or lack thereof?).
I don't know either.
The first TED Talk I watched: http://www.ted.com/talks/michael_shermer_on_believing_strange_things.html and I've hooked since then.
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