Science Popularization BaseScience and Technology Daily, Beijing, June 7 (Reporter Liu Xia) Flowering plants appeared on the earth about 145 million years ago. What helped pollinate these earliest flowering plants? Australian scientists published a research paper in the New Botanist magazine on the 5th, stating that the world's first flower may have been pollinated by insects, and that approximately 86% of flowering plants in history have relied on insect pollination...