Why Your Baby Cries: It’s Largely Written in Their Genes

Summary: A new twin study reveals that how much an infant cries is strongly influenced by genetics, leaving parents with limited control over this behavior. Researchers found that at two…

Can you cry underwater?

Tears prevent your eyes from drying out and protect them from irritation and infection. Vizerskaya/E+ via Getty Images Curious Kids is a series for children of all ages. If you…