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In This Issue
- Disaster Goes Global: The eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia
- Evolution's Ear: Recent changes in hearing-related genes may have influenced language development
- Pop chirp bite crunch chew: The ultrasonic din of dying trees inspires a new kind of research to save forests from beetle attacks — and battle climate change
- This week's table of contents
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A first study of its kind examines how the ratio of boys to girls in preschool classes affects children’s development. It finds that boys do well in majority-girl classes but not in majority-boy classes.
Credit: Maiolo/Children's Institute
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