messages
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[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "system", "content": "You are a philosopher and academic with deep knowledge of Western and Eastern philosophy, epistemology, metaphysics, logic, political philosophy, and the history of philosophical thought. Provide nuanced, rigorous analysis referencing primary thinkers and texts." }, { ...
[ { "role": "user", "content": "What is the periodic table?" }, { "role": "assistant", "content": "The periodic table organizes all known chemical elements by atomic number, electron configuration, and recurring chemical properties. Rows are periods; columns are groups with similar behavior." } ...
[ { "role": "user", "content": "What is the difference between kinetic and potential energy?" }, { "role": "assistant", "content": "Kinetic energy is energy of motion: KE = Β½mvΒ². Potential energy is stored energy due to position or state: PE = mgh (gravitational). Total mechanical energy = KE + PE...
[ { "role": "user", "content": "What is entropy?" }, { "role": "assistant", "content": "Entropy is a measure of disorder or randomness in a system. The second law of thermodynamics states entropy in a closed system always increases or stays the same β€” systems naturally tend toward disorder." } ]
[ { "role": "user", "content": "What is the difference between fission and fusion?" }, { "role": "assistant", "content": "Fission splits a heavy nucleus (e.g., uranium) into smaller ones, releasing energy β€” used in nuclear power plants. Fusion merges light nuclei (e.g., hydrogen) into heavier ones...
[ { "role": "user", "content": "What is the electromagnetic spectrum?" }, { "role": "assistant", "content": "The full range of electromagnetic radiation ordered by frequency/wavelength: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays. Visible light is a tiny fract...
[ { "role": "user", "content": "What is a black hole?" }, { "role": "assistant", "content": "A black hole is a region of spacetime where gravity is so strong that nothing β€” not even light β€” can escape. It forms when massive stars collapse. The boundary is called the event horizon." } ]
[ { "role": "user", "content": "What is Ohm's Law?" }, { "role": "assistant", "content": "V = IR. Voltage (V) equals current (I) times resistance (R). It describes the relationship between electrical quantities in a circuit. Used to calculate any one value if the other two are known." } ]
[ { "role": "user", "content": "What is natural selection?" }, { "role": "assistant", "content": "Natural selection is the mechanism of evolution: organisms with traits better suited to their environment survive and reproduce more, passing those traits to offspring. Over generations, populations a...
[ { "role": "user", "content": "What is the difference between acids and bases?" }, { "role": "assistant", "content": "Acids donate protons (H⁺), have pH < 7, taste sour (e.g., vinegar). Bases accept protons, have pH > 7, feel slippery (e.g., baking soda). pH 7 is neutral (pure water)." } ]
[ { "role": "user", "content": "What is a gene?" }, { "role": "assistant", "content": "A gene is a segment of DNA that encodes instructions for building a protein. Genes determine traits and are inherited from parents. Humans have approximately 20,000–25,000 genes." } ]
[ { "role": "user", "content": "What caused World War I?" }, { "role": "assistant", "content": "Primarily: the assassination of Archduke Franz Ferdinand (1914), entangling alliances, militarism, imperialism, and nationalism (MAIN). The assassination triggered a cascade of alliance obligations pull...
[ { "role": "user", "content": "What is the capital of Australia?" }, { "role": "assistant", "content": "Canberra. It was purpose-built as a compromise between Sydney and Melbourne, becoming the capital in 1913." } ]
[ { "role": "user", "content": "What was the Cold War?" }, { "role": "assistant", "content": "A geopolitical tension (1947–1991) between the USA (capitalism/democracy) and USSR (communism). No direct armed conflict between them β€” fought through proxy wars, arms races, and ideological competition."...
[ { "role": "user", "content": "What continent is Egypt in?" }, { "role": "assistant", "content": "Africa. Egypt is in the northeastern corner of Africa, though the Sinai Peninsula extends into Asia. The Nile River runs through it northward into the Mediterranean Sea." } ]
[ { "role": "user", "content": "What was the Renaissance?" }, { "role": "assistant", "content": "A cultural and intellectual revival (14th–17th century) originating in Italy, emphasizing art, science, and humanism. Key figures: Leonardo da Vinci, Michelangelo, Galileo, Copernicus." } ]
[ { "role": "user", "content": "What are the five oceans of the Earth?" }, { "role": "assistant", "content": "Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic. The Pacific is the largest, covering more area than all landmasses combined." } ]
[ { "role": "user", "content": "What was the significance of the Magna Carta?" }, { "role": "assistant", "content": "Signed in 1215, the Magna Carta established that the English king was subject to rule of law, not above it. It is a foundational document for constitutional governance and individua...
[ { "role": "user", "content": "What is the longest river in the world?" }, { "role": "assistant", "content": "The Nile River in Africa, approximately 6,650 km (4,130 miles) long, though some measurements favor the Amazon. The Nile flows northward through 11 countries." } ]
[ { "role": "user", "content": "What was the Industrial Revolution?" }, { "role": "assistant", "content": "A period (late 1700s–1800s) of rapid industrialization beginning in Britain. Characterized by the shift from agrarian economies to factory manufacturing, powered by steam engines and coal." ...
[ { "role": "user", "content": "What is the difference between a democracy and a republic?" }, { "role": "assistant", "content": "In a pure democracy, citizens vote directly on laws. In a republic, citizens elect representatives who govern on their behalf. Most modern democracies are representativ...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...
[ { "role": "system", "content": "You are an expert science educator covering physics, chemistry, biology, astronomy, earth science, and scientific methodology. Provide accurate, detailed, evidence-based explanations. Use precise scientific terminology and cite fundamental principles." }, { "role": "u...