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Originally Posted by Daithi
Vaccinations are great. Do they increase the risk of autism? I don't know. I kind of doubt it, but I haven't looked at the science.
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The science says no, emphatically. There is currently absolutely no evidence showing that vaccinations can increase the risk of autism. There is, however, plenty of proof that lack of vaccinations leads to outbreaks of cruel, painful diseases that kill.
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I believe in evolution. However, I don't think we have all the answers. How do you get life from from just elements? How do you get a new species? Finding the answers to questions like these is pretty damn cool. Science is cool.
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Science can show how new species evolve. There is plenty of information out there if you're interested. As for the ultimate origin of life, there are theories, but none of them are widely accepted nor strongly supported by evidence (yet).
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Global warming really bugs me. I know that throughout history climate has fluctuated from ice ages to hot ages with man playing no roll. Is this caused by the sun? Is it caused by something inherent in the earth or its oceans? What role does man play in today's climate? How does one determine temperatures before they were recorded by man?
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The answers to those questions are readily available. In short, all the things you mentioned are taken into account when analysing temperature records. e.g. the sun warms and cools over an 11-year cycle. We are currently at the cool point in that cycle, so temperature over the last few years are adjusted up slightly to eliminate the influence of the sun's cycle. With these factors accounted for the planet has warmed slightly along with a corresponding rise in CO2 (which traps heat from the sun that would otherwise e reflected into space).
FWIW over 97% of climate scientists believe that global warming is real and partially man made. A recent published survey showed that basically the more education and scientific knowledge a person has the more likely they are to believe that global warming is real and partially man made.