“This is what a hypothesis is – an idea that can be tested and possibly falsified and rejected.”

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Science Is All About Saying “No” To Most Ideas

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The entire profession of science has at its core a single word, and that word is “no”. Science is a process not of affirming ideas but of attempting to falsify ideas in the search for truth. This is what a hypothesis is – an idea that can be tested and possibly falsified and rejected.
When you give a scientist a paper:

  • He or she reads it with the assumption that the writer is guilty of being wrong until proven innocent.
  • The writers proves his or her innocence by either presenting data or citing sources.
  • With each statement made in the paper, the scientist reading it says “I’m not sure I believe this.”
  • As the author presents graphs and tables of data and cites sources, the good critical scientist attempts to falsify what is being said.

Eventually, after the scientist has examined the data, looked up the cited sources and found that in fact, despite considerable effort, the hypothesis presented cannot be falsfied – only then does the scientist finally start to relax and a bit and say, “Well, okay, I think I can probably live with this.”
Tough buisness. It really is. As I waded through my first decade of rejection in Hollywood as a filmmaker, people would ask me whether I found the rejection hurtful or depressing. And I would respond, “Are you shitting me? Do you have any idea what it’s like to deal with the rejection of scientists?

Hollywood folks reject things on the basis of the idea that ‘it just didn’t grab me,’ and they can’t even articulate the reason for their decision. When scientists reject you they hit you with a stack of data and sources that are the basis for it. That’s the sort of specific, substantive rejection that truly hurts (p128-129)