According to the content of the article, summarize the characteristics of post-95 students.

1, manna is neither a rising star nor a holy medicine, but a kind of aphid excrement, which contains more sugar and has nourishing effect, but it is harmful to crops.

2. In ancient people's mind, manna is a divine gift from heaven, a sign of good luck and a holy medicine that can prolong life.

3. Aphids absorb protein and sugar through the digestive system, and then excrete the excess sugar together with water and sprinkle it on the branches and leaves of plants, which is called manna. After plants are absorbed by aphids, some plants suffer from leaf curl and verticillium wilt, while others suffer from tumor and black mold, which will not only affect their normal growth, but also cause large-scale death and disasters.

4. References, examples, charts, categories and definitions. (optional)

24. It would be ridiculous and sad if human beings don't know scientific knowledge. Or: get rid of superstition and know things scientifically.