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- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
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- Why a tornado forms: Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
- A mind for math: A part of the brain associated with making memories may also predict success in learning math
- Teens take home science gold: A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition
THUMBS UP
A human version of a stretch of DNA, when inserted into a mouse embryo, cranks up the activity of genes in the developing thumb (shown blue). But this activity was much lower with the chimp or rhesus macaque version of the same DNA sequence. The difference could point to the kinds of developmental changes that make us human. Full Story
Credit: AAAS/Science
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