In this video they discussed 4 different Life hacks that use chemistry. The first was a life hack to improve the taste of your coffee, for this hack all you needed to do was had a pinch of salt and then the sodium ions would block out the bitter taste. The second was a trick to ripen bananas, by putting them in a bag with ripe fruit which produce ethylene they will ripen faster. The third was a hack to fix your stale cookies, this hack works by putting a piece of bread in a plastic bag with the cookies. The reasons that it works is because sugars absorb the moisture from the bread, I knew that salt did this but I never knew that sugars did as well. The last and maybe most disgusting was using Coca-Cola to remove rust, the phosphoric acid
