This post examines the pros and cons of using gene editing technologies in humans, discussing scientific, medical, and ethical considerations. Longer summary

This post discusses the potential uses, risks, and ethical implications of gene editing technologies in humans. It covers the science behind CRISPR, its safety and efficiency, the relationship between genetics and disease, and potential applications in treating conditions like cancer and HIV. The authors explore complex questions around genetic enhancement and 'designer babies', highlighting both the promise and perils of this technology. They conclude that while gene editing holds great potential, especially for certain genetic diseases, its use must be carefully regulated and ethically considered. Shorter summary

TracingWoodgrains and Michael Pershan analyze the effectiveness of ability grouping, acceleration, and personalization software in serving advanced students in the education system. Longer summary

This post is an entry to the Adversarial Collaboration Contest by TracingWoodgrains and Michael Pershan, discussing whether the education system adequately serves advanced students. It examines three main approaches: ability grouping, acceleration, and personalization software. The authors review research on each approach, discuss their pros and cons, and explore the tensions between different educational goals. They conclude with practical advice for parents, educators, and educational reformers. Shorter summary

Scott Alexander critically examines the concept of growth mindset, expressing skepticism despite compelling studies and discussing various issues with the theory and its interpretation. Longer summary

Scott Alexander examines the concept of growth mindset, expressing skepticism despite compelling studies. He discusses the history of growth mindset research, points out inconsistencies in longitudinal data, and questions the interpretation of experimental results. Scott also criticizes how some proponents use growth mindset to deny the importance of innate ability. While acknowledging the potential benefits of growth mindset, he remains uncertain about its real-world effects and long-term impact. Shorter summary