Tabitha M. Powledge discusses the evidence on whether or not there are too many scientific studies whose results can't be reproduced in subsequent work. Her main point is that you can't put all of "science" in the same basket: "Those of us professionally interested in science are going to know that different fields of science have very different track records." Also, gauging how much of Tuesday's State of the Union speech was devoted to science, directly or otherwise.
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