This collection of texts from Amazon Science highlights the company's extensive research and development efforts across various scientific and technical domains, including machine learning, artificial intelligence, and robotics. A significant portion focuses on improving the training of large language models, particularly through a novel method called SeRAwhich aims to reduce spurious correlations in data used for reinforcement learning with human feedback. Several job descriptions are also included, showcasing the types of applied science roles Amazon is actively recruiting for in areas like personalized recommendations, video content analysis, and supply chain optimization. The content collectively demonstrates Amazon's commitment to advancing technology and applying scientific principles to real-world problems.