Why: There is some evidence that omega-3 fatty acids may ease anxiety symptoms and lift your mood by lowering levels of stress chemicals such as adrenaline and cortisol in the body. Caned fatty fish, such as tuna and salmon, walnuts, and flax seeds are all great sources of omega-3 fatty acids.
As you may already know from reading How Butterflies Work or Where do butterflies get their striking colors?, butterfly wings are made of very thin layers of a hardened protein called chitin.
Did you know butterflies have no teeth? How do you think they eat? Check out this science worksheet to learn all about their interesting process, which actually helps humans eat! If that's not enough for one worksheet, you can do a maze too. Download Worksheet