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| 49% of U.S. adults and students think only genetically modified tomatoes have genes. |
In the midst of this hand-wringing, a larger question remains: Why do students who live in a nation that is the acknowledged world leader in scientific research lag behind other countries on science knowledge?
The answer is complicated, say experts, and involves everything from poverty, to poor training of teachers, to attitudes about learning, to the disturbing level of scientific illiteracy among American adults.
