科学

Young infants see saliva sharing as a sign of a close bond, experiments suggest

来源: Phys.org · 发布于 2026年10月6日 21:50

Imagine you're an infant. Just a few months in the world, trying to gather your faculties, testing gravity—you're pretty helpless and fully reliant on the people around you. As a result, one of your…

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• #experiments
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• #helpless
• #infants
• #sharing