My question is, can any two person share the same fingerprint?
Answer that I found: Francis Galton, a British fingerprint scientist, has pointed out that the possibility for existence of same fingerprint is 1/64,000,000,000, while another fingerprint scientist Edward Richard Henry has held the opinion that such possibility should be 1/1,000,0007. The complicated fingerprint of human beings on one hand indicates the complexity of human genes and on another hand proves the well evolved human brain, i.e. intelligence.
Source: http://www.zdzw.com/html/yulw.htm
My question: Who invented Intelligence Quotient (IQ) test?
Answer that I found: IQ test was developed by French psychologist Alfred Binet in 1905, and became popular worldwide after improvement made by USA and Britain. It is also known as Binet’s IQ test, WAIS IQ test or Raven’s IQ test.
Answer that I found: IQ test was developed by French psychologist Alfred Binet in 1905, and became popular worldwide after improvement made by USA and Britain. It is also known as Binet’s IQ test, WAIS IQ test or Raven’s IQ test.
Source: http://www.zdzw.com/html/yulw.htm
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