Karl Strauss Brewing Company debunks some of the most common beer myths for you in this cool infographic. Is less foam in your beer better? According to Karl Strauss Brewing Company, the answer is no. The foam head of the beer stores CO2 and aromatics, providing more scent and flavor. Are darker beers heavier than lighter beers? No, the “dark” and “light” refer to the color, not the weight. The different colors come from the toast of the malted barely.