Pseudoscience: Past and present Pseudoscience includes many branches, the most common of which are astrology, alchemy and numerology. Of course, these empirical teachings of the past have achieved certain results, but are now elements of the occult; for example, astrology gave rise to astronomy; alchemy gave rise to the development of chemistry and should be regarded as a historical stage of its development; numerology, which emerged during the boom of philosophy, mathematics and astrology, gave rise to some ideas of number theory. The development of each of these fields of pseudoscience dates back centuries. So, for example, in III millennium B.C. in Mesopotamia the astrology of omens was already known: at this time the systematic astronomical observations were conducted, and the separate phenomena, such as occurrence of comets, solar and lunar eclipses, etc., were given astrological, predictive value. The need of ancient people in such observations was obvious: sacralization of ce