Hidden Brain: Humor Us
b"Science Rules! Presents is a series of science-focused episodes from some of our favorite shows. This week we\\u2019re featuring Hidden Brain's \\u201cHumor Us.\\u201d\\n\\nHahaha! The average four-year-old child laughs 300 times a day. By contrast, it takes more than two months for the average 40-year-old adult to laugh that many times. This week, we talk with behavioral scientist Jennifer Aaker of Stanford University about why so many of us fall off a \\u201chumor cliff\\u201d as we become adults. Plus, how we can inject more laughter into our lives, even during the most difficult of times."