There are so many things in this world which commonly gets ignored. And if at all you try finding answers to few of such things, your questions of why, what, where, when, how are always left wondering about it. Here are few such life question answers to the things you might have always wondered about.
Our Veins Are Blue Even Though Blood Is Red
You have to get it straight that the blood is always red. Surprisingly, veins appear blue. The reason being that; skin filters light wavelengths differently. Light has to penetrate the skin to illuminate veins, Blue and red light penetrates at different degrees of success, and thus the variation in color of appearance.