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Contents
- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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Contents
- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
- 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
Climate not really what doomed large North American mammals
Prevalence of a dung fungus over time suggests megafauna extinctions at end of last ice age started before vegetation changed
Web edition: November 19, 2009
Print edition: December 19, 2009; Vol.176 #13 (p. 5)
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