The concept of "us" can be a tricky one to grasp. It's often used to differentiate a particular group from the rest, but the boundaries of this group can be shifting. Sometimes "us" refers to a close-knit circle of acquaintances, while other times it encompasses a more extensive social or political identity. Essentially, defining "us" is a complex

Have you ever wondered why/how/what causes the sky to appear/look/be blue? It's not magic, it's science! Sunlight is actually made up of all the colors/wavelengths/hues of the rainbow. When sunlight enters/reaches/passes through Earth's atmosphere, it bounces/scatters/reflects off tiny air molecules. Blue light has a shorter wavelength and scatters