Karen Hopkin: This is Scientific American’s 60-Second Science. I’m Karen Hopkin. Hopkin: When you stop to think about it, it’s not all that easy to speak. First you have to think of something to say.

Democratic presidential nominee Joe Biden has been outspoken about his stutter and last night at the Democratic National Convention, a young boy with a stutter shared a story about how Biden had ...

Even though stuttering in bilinguals has a relatively long research history, there are still many questions that cause debate: Do bilinguals stutter in just one language or in all of their languages?

President Joe Biden helped Brayden Harrington with his stutter after they met on the campaign trail last February Sam Gillette is a Staff Writer on the Human Interest team at PEOPLE. She first joined ...