A large US study found that adolescent cannabis use is associated with slower cognitive development, particularly in areas like memory and attention. The research suggests these effects may persist even after discontinuing use.
Scientists are increasingly concerned about the potential collapse of the Atlantic Meridional Overturning Circulation (AMOC), a critical ocean current system. Such a collapse could have severe consequences for North America and Europe.
The prevalence of dementia at given ages has decreased compared to decades ago. Today's 90-year-olds have less than half the dementia risk compared to those in 1984.
Multiple studies indicate that chatbots should not be trusted for medical advice due to their limitations in providing accurate and reliable health information. The research consistently shows potential risks in relying on AI chatbots for medical guidance.
Spaced repetition is a learning technique that uses increasing intervals between review sessions to improve long-term memory retention. This beginner guide explains how it works, its benefits, and answers common questions about implementing the method effectively.
A world map by Jeff Blossom displays roughly 200,000 years of human migration patterns. The visualization illustrates the historical movement of human populations across the globe.