Acrylic processing of waxed-up dentures is considered to be a crucial and technique-sensitive procedure. Polymethylmethacrylate (PMMA) has become the most commonly used material for denture bases since its introduction in 1937. The advantages of PMMA include excellent esthetic properties, adequate strength, low water sorption, low solubility, lack of toxicity, facility of repair, and constructi...

Two studies tested whether narcissists are prone to making risky stock market investments. In Study 1, narcissistic participants reported being more inclined to invest in stocks that exhibited high volatility (i.e., large price fluctuations). In study 2, participants created hypothetical investment portfolios using a selection of real stocks whose values were tracked for a five-week period. Nar...

the grand challenge in global health is the inequality in mortality and life expectancy between countries and within countries. according to global health 2035, the lancet commission celebrating the 20th anniversary of the world development report (wdr) of 1993, the world now has the unique opportunity to achieve a grand convergence in global mortality within a generation. this article comments...

This paper analyzes the stability of the exchange rate in an economy with noise traders. Noise trading is restricted to agents investing in the domestic stock market. The agents pricing foreign exchange hold rational expectations. Monetary policy is affected by the behavior of investors in the domestic stock market and in turn affects fundamental stock evaluations as well as noise trading. We s...

Evolutionary considerations suggest aging is caused not by active gene programming but by evolved limitations in somatic maintenance, resulting in a build-up of damage. Ecological factors such as hazard rates and food availability influence the trade-offs between investing in growth, reproduction, and somatic survival, explaining why species evolved different life spans and why aging rate can s...

This paper addresses the question of how to invest in an extremely robust growthoptimal way in a market where the instantaneous expected return of the underlying process is unknown. The optimal investment strategy is identified using a generalized version of the principle eigenfunction for an elliptic second-order differential operator which depends on the covariance structure of the underlying...