Scientists are human, and humans make mistakes. How can we trust their conclusions?
Scientists do make mistakes. But in science there is the peer reviewed process to weed out any bad science and mistakes. The peer reviewed process allows other scientists to double check the work of others. In this manner incorrect conclusions are stricken out, leaving only what is correct.
A good example is the Korean scientist, Woo-Suk Hwang, who claimed to have replaced the nuclei of unfertilized human eggs with nuclei from ordinary cells taken from patients. Hwang claimed to have cloned the cells and they had matching DNA from their donors. His claims were published in Science in the May 2005 issue. When other scientists were able to check his claims, they turned out to be false. This is an example of the self correcting nature of science. (Peter Singer, “Why the Korean Stem-cell Controversy Matters”, free inquiry, April/May 2006 Vol. 26 No. 3, p. 25-26)
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