In 1936, Albert Einstein penned a research paper on his theory of relativity predicting that the weight of stars can be measured by the bending of passing light, a phenomenon now called gravitational microlensing that scientists have. Pfizer (NYSE: PFE) will request that U.S. regulators remove a black box warning from its anti-smoking medication, Chantix. According to reports Wednesday, the U.S. FDA recently updated labeling on Chantix which includes data…