Using a Potato to Unscrew a Broken Light Bulb: Cut a potato in half and press it into the broken bulb.
Hair Conditioner for Unsticking a Zipper: Apply a small amount of hair conditioner to a stuck zipper to lubricate it and make it easier to move.
Dental Floss for Cutting Soft Foods: In the absence of a knife, unscented dental floss can be used to cut through soft foods like cheese or cake cleanly.
Using Your Cell Phone as a Level Tool: Most smartphones have a built-in level tool within the compass app, useful for hanging pictures or other DIY projects.
Vinegar for Soothing a Sunburn: Applying white vinegar to a sunburn can cool the skin and ease the sting.
Chewing Gum to Concentrate: Some people find that chewing gum helps them to concentrate better, especially in situations requiring sustained attention.
Crayon as a Temporary Candle: In an emergency, a crayon can burn for up to 30 minutes, acting as a makeshift candle.
Aluminum Foil for Touchscreen Gloves: Wrapping foil around your fingertips can turn regular gloves into touchscreen gloves
Using Nail Polish to Tighten Screws in Glasses: Clear nail polish applied to the screws in eyeglasses can help tighten them temporarily.
Spoon in the Mouth to Prevent Crying While Cutting Onions: Holding a spoon in your mouth while cutting onions can supposedly prevent tears.