10 Life Hacks Every College Student Should Know:. 1 how to keep bananas fresh longer. 2 Learn how to make coffee without a coffee maker. 3 A binder clip keeps beverages neatly stacked in a tiny mini-fridge. 4 Save space in your tiny closet by hanging multiple garments with soda pop tabs. 5 If you're a heavy sleeper, putting your phone into a glass will amplify the sound. 6 Wrap a warm beer in a damp paper towel and place in the fridge for 15 minutes. 7 How to Turn a Hoodie Into a Laptop Bag: 8 Steps. instagram -.