- Eyespots, the most rudimentary eyes, are found in protozoan原生动物 flagellates 鞭毛虫 , flatworms 扁形虫 , and segmented worms片段 蠕虫 .
- Ella Grasso, elected governor of Connecticut in 1974, supported the enactment (given, granted) of a freedom-of-information law.
- Blue－green algae grow abundantly in salt marshes.
- The megaphone(microphone) makes the voice sound louder because it points sound waves in one direction and keeps them from spreading out in all directions.
- The first paper was made from the bark of the mulberry tree.
- In 1861 it seemed inevitable that the Southern states would break away from the Union.
- Some sea urchins海胆 have venomous (toxin) spines
- The company issues an annual report every March.
- Bats fly, rather than glide, and thus are the only mammals capable of true flight.
- In 1974 Henry Aaron broke Babe Ruth's monumental lifetime record of 714 home runs.
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