Maridav/Shutterstock.com Derma Sciences sells a wound bandage called Medihoney that hospitals use to treat burns and slow-healing sores. The active ingredient is exactly what you'd guess: honey. The same stuff in your pantry pulls water out of damaged tissue and releases trace amounts of hydrogen peroxide, which is why archeologists keep finding pots of it in Egyptian tombs that are still perfectly safe to eat after 3,000 years. Three things keep honey from spoiling, according to a Smithsonian Magazine piece by Natasha Geiling . The first is moisture, or the lack of it. Honey is essentially sugar, and sugar is hygroscopic, meaning it grabs moisture from anything around it. Untouched honey contains almost no water of its own. "Very few bacteria or microorganisms can survive in an environment like that," Amina Harris of the Honey and Pollination Center at UC Davis told Smithsonian. Nothing alive can hold onto its water in there. The second is acidity.…