Why it matters: Researchers have found that using AI can reverse the Dunning-Kruger effect, leading to a universal tendency to overestimate abilities regardless of actual skill. A study involving logical reasoning tasks with and without AI assistance revealed that AI users engage in "cognitive offloading," reducing critical thinking and metacognitive monitoring.

Check yourself: Researchers warn that as AI becomes more integrated into daily tasks, people's diminished self-awareness may contribute to more frequent errors and poor decision-making. By accepting AI responses without rigorous evaluation or further questioning, users reduce their own critical engagement with tasks. The study suggests that AI developers design systems that prompt users to reflect on their answers.

Speaking of AI ... 

Why it matters: Many Americans are turning to AI for medical questions, driven by a frustration with the traditional medical system and AI's 24/7 availability and ease of use. In 2024, 1 in 6 US adults used chatbots to find health information at least once a month, according to a survey. "If the system worked, the need for these tools would be far less," said Dr. Robert Wachter, chair of the department of medicine at the University of California San Francisco. "But in many cases, the alternative is either bad or nothing."

Why it matters: Evidence from artistic depictions and historical records indicates that female gladiators existed in the Roman Empire, although they were rare compared with male gladiators. Most female gladiators were likely people who were enslaved, but some free women might have participated due to debt or punishment. Female gladiators were often chosen for their appearance rather than strength, and they likely did not fight to the death.

Why it matters: Boise, Idaho, has become a leader in urban surfing thanks to the Boise Whitewater Park, which features adjustable wave shapers that cater to surfers of all skill levels. The park, initially intended for kayakers, has attracted a vibrant community of surfers and has inspired similar projects in other landlocked states. The success of the park has brought economic and environmental benefits, revitalizing local businesses and improving public safety by replacing low-head dams.

Why it matters: Researchers have identified a stress-responsive protein called SGK1 as a significant factor in depression, particularly for those who have experienced childhood trauma. The study found high levels of SGK1 in people with depression and those who have died by suicide. SGK1 inhibitors, currently in development for other conditions, have shown promise in animal trials, offering hope for people with drug-resistant depression.

Why it matters: Urban raccoons are showing early signs of domestication, including less fear of people and shorter snouts than rural raccoons, according to a study in Frontiers in Zoology. The research, based on 20,000 photographs of raccoons, aligns with the concept of domestication syndrome, which includes traits such as shorter faces and smaller heads in animals that are less fearful of humans.

Why it matters: First, dictionary.com named the viral phrase "6-7" its word of the year. Now, college basketball games are seeing a new trend as fans celebrate when their team reaches 67 points. What does it mean? No one really knows. The Oklahoma Sooners women's basketball team experienced the full force of the trend during its 89-61 victory over North Alabama on Friday. As the team reached 67 points, hundreds of students erupted into the now-familiar chant and hand motion. Coach Jennie Baranczyk and her players embraced the moment, with bench celebrations and players noting the joy and energy it brought to the game.