The next time someone tells you to stop blowing bubbles in your drink, tell them you're working on your singing career. As it turns out, blowing into a straw can help exercise your vocal cords and prevent losing your voice.
As news site Vox explains, blowing into a straw is one type of what's known as semi-occluded vocal tract exercises. These exercises help stretch your vocal cords.
This is useful for warming up before a speech or singing, but it's also helpful if you're losing your voice. You can use the straw by itself, though as the video above demonstrates, you can also use it in conjunction with a glass of water to further refine your voice.