If you’re ever near a sundial, step closer and look for a message. Many sundials bear haunting, poetic inscriptions about the brevity of life. Plus, language development in toddlers: why and how little ones pick up the exclamation Uh-oh! And a...
Susan from Seattle, Washington, has observed her toddler granddaughter starting to exclaim Uh-oh! when something goes amiss. Is that something she picked up from adults, or do adults pick it up from children? By 18 months, children have already...