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Now that the sale of a Picasso painting has exceeded US$100 million at auction, the forgers are extricating their bag of tricks. This fascinating collection of papers provides an eclectic coverage of the art and philatelic concerns in safeguarding the integrity of creative artists. It paints a broader swath of the problems in art authentication, including philatelic fraud. The articles represent 24 expert contributions on relevant topics pertaining to the scientific detection of forgery in art and philately.

Living on the accretion disk of the Great Existential Black Hole can be dangerous and funny and tragic The accretion disk is a very thin plane spiraling, spinning faster and faster as the inner edge disappears into the black hole. It is where the black hole attracts more matter with its massive gravitational force. There are black holes at the center of almost every galaxy and there are also accretion disks and their existential black holes in most peoples' lives. Zones where actions, thoughts and emotions can easily be sucked into the great black hole and disappear. We have all been there...

Climate change is, perhaps, the biggest challenge to ever face us. It is here now, manifesting itself in changing sea levels, warming temperatures and shrinking ice, changing weather, increasing numbers and severity of extreme events, the arrival of new pests and diseases, and on and on. The world is rapidly becoming a different place than the one you and I grew up in. For our children, grandchildren, and posterity we need to manage our world in such a way as to meet this challenge. Time is running out. The science of climate is an exact science, based on observations and factual deductions...