The main reason for sealing wine bottles with a cork is to protect the liquid from oxygen. However, it is not an impermeable barrier, and a small amount of air leaks in, which is not always entirely bad news. The gas helps the wine mature and develop a more complex flavor.

Source: [Phys.org](https://phys.org/news/2026-06-oxygen-corked-wine-bottle.html)

Sponsored