The Evolution of AI in Science Artificial intelligence has made its mark across industries and is now transforming scientific research. From drug discovery to climate modeling, AI systems—particularly large language models (LLMs) and deep learning algorithms—are helping researchers analyze vast datasets, identify patterns, and propose new solutions. But while AI can assist, can it truly make groundbreaking scientific discoveries on its own? This question sparks debate. AI has shown it can tackle complex scientific problems, yet its ability to solve the “hard problem” of finding the problem itself remains unclear. A recent paper by Harvard University’s Department of Psychology and Center for Brain Science explores this. The paper suggests that while AI excels at optimization, problem formulation is still a human endeavor. Understanding the "Easy" vs. "Hard" Problems in Science Harvard researchers distinguish between the “easy problem” and the “hard problem” in scientific discovery. The "easy problem" refers to tasks where the objective is clear, and the solution requires computational power and engineering skill. AI, for instance, can analyze protein structures, as demonstrated by AlphaFold 2, or predict material properties for manufacturing. In such cases, AI systems have a well-defined problem and explore all possible solutions to optimize results. In contrast, the “hard problem” involves problem identification. This requires creativity, intuition, and out-of-the-box thinking—qualities traditionally tied to human researchers. AI lacks the ability for serendipitous discoveries because it operates within predefined parameters. It cannot spontaneously question its own goals. “It’s the leap from recognizing patterns to forming entirely new questions that remains uniquely human,” says Dr. Elaine Jones, a cognitive scientist focused on AI and creativity. “This is where AI still falls short.” Case Study: AI Feynman vs. Human Discovery To understand AI's limitations, it helps to examine past scientific breakthroughs. Consider Richard Feynman’s work on the path integral formulation of quantum mechanics. Feynman didn’t just solve a problem—he redefined it. His discovery evolved from constant experimentation, hypothesis testing, and revision—an approach vastly different from how AI operates. By contrast, AI tools like AI Feynman can automate fitting equations to data, but they're limited by the assumptions and problem spaces set by humans. AI might replicate the technical aspects of Feynman’s work but would never be able to formulate the underlying question that led to his discovery. As Harvard researchers note, “The key difference between humans and AI is that while AI navigates predefined spaces, it lacks the creative insight to redefine those spaces.” AI's Success in Solving "Easy Problems" While AI struggles with the hard problem of identifying scientific questions, it has succeeded in solving easy problems. For instance, DeepMind’s Alpha Fold 2 gained attention for predicting the 3D structure of proteins—an unsolved problem for decades. Researchers framed the task so that AI could efficiently navigate the complex solution space. Similarly, AI has been instrumental in fields like astronomy, where algorithms sift through huge datasets to identify exoplanets or locate gravitational waves. These tasks have clear objectives, allowing AI to optimize solutions in ways that would take humans years. AI and Drug Discovery: A New Frontier One of AI's most promising uses is in drug discovery. Recently, AI has helped predict molecular interactions, identify potential drug candidates, and simulate clinical trials. This has significantly reduced the time and cost of developing new medicines. For example, companies like Insilico Medicine have used AI to design novel drug compounds in weeks—a process that traditionally took years. AI platforms analyze massive chemical databases and predict which molecules might treat diseases, speeding up drug development. Despite these breakthroughs, AI cannot conceptualize new diseases or understand the biological impact of certain treatments. Human scientists still guide AI’s efforts and verify results. The Creative Side of Science: Why AI Struggles Why does AI fall short in creative science? According to Dr. John Mason, an expert in AI and cognitive science, creativity involves intuition, analogy, and lateral thinking, which are difficult to code into algorithms. Human scientists make unexpected connections between unrelated fields, leading to breakthroughs. AI, on the other hand, operates within the boundaries of its programming and training data. “AI can’t do science like humans because it lacks the subjective, creative insights that come from being conscious,” says Dr. Mason. “Science is about asking the right questions as much as finding answers, and AI still needs humans to define those questions.” Toward a Hybrid Approach: AI as a Research Assistant While AI may not fully replace human scientists, it can serve as a powerful research tool. The next phase of AI in science will likely involve hybrid approaches, with AI acting as a research assistant to human scientists. As Harvard researchers note, “AI scientists of the future may function as assistants, relying on human guidance and collaboration to tackle the hard problems of science.” Conclusion: The Future of AI in Scientific Discovery To sum up, while AI has revolutionized fields like drug discovery, protein folding, and data analysis, it still lacks the creative ability to make scientific discoveries independently. AI systems excel at solving well-defined problems but rely on humans for problem formulation. As AI evolves, its role in scientific discovery will expand. Partnering with human researchers, AI could become a vital tool for accelerating innovation and solving global challenges. But for now, AI remains a powerful assistant, not a replacement for human creativity. “AI will undoubtedly transform science, but the most groundbreaking discoveries will still come from the human mind,” says Dr. Emily Clark, an AI and science researcher Other Posts : Optimizing LLMs with Thought Process Training Gemini 1.5: Advancing AI with Cutting-Edge Features ChatGPT Voice API: Financial Scam Risks