News
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Older but Mellower: Aging brain shifts gears to emotional advantage
The aging brain reorganizes in ways that foster emotional stability and a tendency to favor positive emotions over negative ones.
- Ecosystems
A Chronicle of Coasts: Study charts historical changes in seas, estuaries
New research compares the long-term ecological impact of human activities in estuaries and coastal seas on three continents.
- Animals
Fishy Reputations: Undersea watchers choose helpers that do good jobs
Coral reef fish use smart-shopper techniques of looking for satisfied customers before choosing a small fish to provide cleaning services.
- Health & Medicine
Proof of Protection: Condoms limit infection by cervical cancer virus
Condom use reduces a woman's risk of being infected with human papillomavirus and of developing precancerous growths on the cervix.
