Are you scientifically literate? Take our quiz

You may have an opinion on climate change, evolution education, stem-cell research, and science funding. But do you have the facts to back up your opinion? This quiz will test your basic scientific literacy.

1. What word, which comes from a Greek term meaning "old stone" describes the era of human history, from about 2.5 million years ago to 12,000 years ago, which was distinguished by the development of the first stone tools?





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