The power of science to change the world should be self-evident. Consider the immeasurable impact that science and engineering innovation had on social conditions during the 20th century. The first half of the century produced the assembly line, the airplane, penicillin, and a vaccine for tuberculosis; the second half brought the eradication of polio and smallpox. Scientists harnessed the power of the sun with photo voltaic cells, invented the birth control pill, and sequenced the human...


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