Alexander Mironovich Voin – candidate of philosophical sciences, writer, head of the International Institute of Philosophy and Problems of Society. In his book “Science and Pseudoscience” A.M. Voin talks about the state of modern science and the extent of its defeat by pseudoscience. The book consists of articles written by the author at different times, each of which is a specific example of pseudoscience. How to distinguish science from pseudoscience? The writer gives the answer to this question in his book.