Though it's covered in a layer of downy fuzz, the "hairs" of the gympie-gympie plant deliver a sting so toxic that the pain can last for years. Although the leaves of the gympie-gympie plant may look soft and fuzzy, one touch will make anybody regret they ever saw it. That’s because this stinging bush delivers one of nature’s most painful experiences. In fact, this native to the Australian rainforest has a sting that’s so intense, it’s driven soldiers to suicide ⏤ and the British government once considered using it as a biological weapon of war. Wikimedia Commons - The unsuspecting...