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Psychology

Simpleminded Voters

An innovative research technique has led researchers to conclude that well-informed voters often use simple rules of thumb to sift through mountains of campaign information and pick the candidate who best reflects their own political views.

Plants

Forest invades tundra

The Arctic tundra is under assault from trees, with serious implications for global climate change.

Chemistry

Catching your breath

Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.

Humans

Worth the cooties

Boys who attend preschool classes with a majority of girls do better developmentally than other boys.