A scientist has found a 100 million-year-old bee trapped in amber, making it possibly the oldest bee ever found. "I knew right away what it was, because I had seen bees in younger amber before," said George Poinar, a zoology professor at Oregon State University. The bee is about 40 million years older than previously found bees. The discovery of the ancient bee may help explain the rapid expansion and diversity of flowering plants during that time. Poinar found the bee in amber from a mine in the Hukawng Valley of northern Myanmar, formerly known as Burma. Many researchers buy...