Add baking soda to the water when you hard boil eggs. It raises the pH of the water and makes them easier to peel by reducing the albumen's ability to stick to the shell. Nice tip!
Seal a plastic bag with the top of a water bottle or any plastic bottle and the lid. I might have to try this
Remove a splinter with baking soda is best for tiny, invisible splinters. Using a baking soda paste it will cause the skin to swell and push the splinter out.