This chapter will provide a brief survey of the uses of mercury preparations in rasāyana therapy, discussing their position within rejuvenation therapy in regard to other rasāyana formulations and exploring their link with Indian alchemical traditions.
A leading scientist argues that we must consider deploying climate engineering technology to slow the pace of global warming."Climate engineering -- which could slow the pace of global warming by injecting reflective particles into the upper atmosphere -- has emerged in recent years as an extremely controversial technology. And for good reason: it carries unknown risks and it may undermine comm…