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The funny thing about science is that you don't have to take someone else's word for it. You can look at the evidence and see for yourself that it's true. The

• gus_massa 13y ago
  Looking at the evidence is not enough. You really must repeat the experiments. If you want to measure the gravitational constant, it's easy. If you want to measure the changes in the global temperature is much more difficult. Let's pick a less controversial example. If I want to verify the existence of the Higgs boson, I need a pick a shovel and start digging a 10 mile circle. Then ... ??? There is an unknown particle that is a very good candidate to be the Higgs boson and I believe that in a few years the existence of the Higgs boson will be confirmed. But I don't have any chance to measure it myself.
  • dhimes 13y ago
    Looking at the evidence is not enough. You really must repeat the experiments As you point out, repeating the experiments is sometimes not feasible, at least in the near term. Often, as technology and understanding develops you can perform other experiments to try to render a theory false (which is all you can ever do- you can't prove a scientific theory true, after all). But until that time comes, which may be decades off, you need to be able to independently analyze the evidence.