Demis Hassabis (DeepMind Co-founder) – Using AI to Accelerate Scientific Discovery | EPFL (Jun 2023)


Chapters

00:00:00 How AI can Accelerate Scientific Discovery
00:11:41 Machine Creativity: AlphaGo and Beyond
00:18:32 Neural Network Training through Iterative Games
00:21:04 Protein Folding: From Games to Proteins
00:31:30 AlphaFold: Protein Structure Prediction at Digital Speed
00:38:07 AI-Driven Drug Discovery: Possibilities and Challenges
00:42:11 Artificial Intelligence: Pioneering Responsibly
00:51:59 Monetization and Access Challenges in Drug Discovery
00:55:35 AI for Good: Addressing Inequality, Improving Infrastructure, and Balancing Risks in Open Source
01:03:03 Balancing Open Access and Security in AI Model Sharing

Abstract

Revolutionizing the Future: Demis Hassabis and the Impact of AI on Science and Technology

Demis Hassabis, a child prodigy in chess and pioneer in artificial intelligence, has greatly impacted the scientific and technological landscape through his groundbreaking work at DeepMind. From the development of AlphaGo, which redefined game-playing AI, to the revolutionary AlphaFold2, Hassabis has not only demonstrated AI’s potential in solving complex problems but also in accelerating scientific discovery. His vision of AI collaborating with humans to address global challenges, combined with his significant contributions to AI advancements and ethical considerations, illustrates a future where AI is an integral part of scientific exploration and problem-solving.

DeepMind’s Journey and AI Advancements:

Demis Hassabis, co-founder of DeepMind, has led the field in AI advancements, particularly with projects like AlphaGo and AlphaFold. The 2016 victory of AlphaGo over Go player Lee Sedol, especially with unconventional strategies such as Move 37, signified a new era in AI, displaying its capabilities in interpolation and extrapolation. Despite this success, it also underscored the limitations in AI’s creative abilities, such as inventing new games.

Games to Efficiently Test and Improve Algorithmic Ideas:

DeepMind has leveraged games as effective tools for testing and improving algorithmic ideas. This approach has led to significant breakthroughs including DQN, AlphaGo, AlphaZero, and AlphaStar, demonstrating how games can serve as an efficient means for developing sophisticated algorithms.

Professor Martin Vetterli’s Insights:

Professor Martin Vetterli of EPFL, Demis Hassabis’ alma mater, introduced him as a visionary leader in both AI and neuroscience. He emphasized Hassabis’ remarkable academic achievements, such as completing A-level exams at an early age and earning a double first in computer science from Cambridge University. Vetterli also acknowledged Hassabis’ entrepreneurial journey, from co-founding Elixir Studios in the video gaming industry to earning a PhD in Cognitive Neuroscience from UCL, where he explored the link between imagination and memory recall.

Applying AI to Real-World Problems:

DeepMind has consistently aimed to utilize AI for accelerating scientific discovery and addressing challenging real-world problems. Its technology has been integrated into various Google systems, improving efficiency in data center management and enhancing capabilities in voice recognition and text-to-speech.

AlphaFold2: A Leap in Biological Science:

Hassabis’ landmark achievement, AlphaFold2, has revolutionized the field of biology by accurately predicting protein structures, thus solving a 50-year-old grand challenge. The tool’s remarkable success, built on advanced machine learning and innovative techniques, holds immense potential for drug discovery, personalized medicine, and numerous other fields. The accessibility of AlphaFold2’s database to the public further exemplifies the notion of rapid, global scientific progress.

Protein Folding and AlphaFold2:

DeepMind identified the protein folding problem as a key challenge in biology, essential for understanding protein function and structure. AlphaFold2, achieving atomic accuracy in predicting protein structures, marked a significant breakthrough in computational biology, building on the initial promise shown by AlphaFold 1 in CASP 13.

CASP Competition and Protein Structure Prediction:

The CASP competition, which evaluates computational methods for protein structure prediction, witnessed AlphaFold2’s success in its 14th edition, leading to the declaration that the protein folding problem had been effectively “solved.” The competition, running for almost 30 years, serves as a benchmark for progress in this field.

Significance of AlphaFold2’s Achievement:

The atomic precision of AlphaFold2 in protein structure prediction marks a revolutionary breakthrough in computational biology. This achievement opens new avenues for understanding protein functions, drug design, and advancing various biological research areas.

AI’s Expanding Role and Future Goals:

Hassabis envisions a critical role for AI in diverse scientific and practical domains, particularly in navigating complex combinatorial spaces in fields like drug discovery and materials science. The creation of Isomorphic Labs, which prioritizes an AI-first approach for reimagining drug discovery, reflects this vision. Hassabis’ commitment to responsible AI development highlights the potential and ethical implications of AI across various sectors.

Novel Era of Digital Biology:

In this new era, biology is viewed as a complex information processing system, with AI providing a powerful framework for understanding and modeling these intricate biological phenomena. AlphaFold stands as a pioneering example of this potential.

Isomorphic Labs:

Isomorphic Labs, a new venture by Hassabis, aims to transform drug discovery using AI. The company emphasizes AI-driven approaches to address fundamental challenges in drug design, collaborating closely with DeepMind and Alphabet. It boasts a multidisciplinary team and a distinguished scientific advisory board, focusing on developing systems akin to AlphaFold for different aspects of the drug discovery process.

AI as a General Tool:

AI’s capability to navigate vast combinatorial spaces is highlighted by effective algorithm designs like that of AlphaFold. The ability of AI to generalize knowledge across different contexts, aided by techniques like transfer learning, underscores its efficiency and versatility.

AI for Societal Benefit:

AI holds great promise in addressing global challenges, including climate change and healthcare. However, the development of AI must be responsible and ethically guided to realize its full potential.

Challenges, Successes, and the Path Forward:

DeepMind’s journey, including the development of AlphaFold2, reflects the iterative and evolving nature of AI research. Surprising successes in areas like language modeling and the company’s commitment to diversity, inclusion, and balancing open-source AI with safety considerations illustrate a responsible approach to harnessing AI’s transformative power. DeepMind’s vision also encompasses using AI to optimize infrastructure and develop innovative solutions for global issues.



Demis Hassabis’s contributions have significantly shaped the AI landscape, from his early days in chess to spearheading scientific discoveries with AlphaGo and AlphaFold2. His work underscores the vast capabilities of AI and its potential to revolutionize various aspects of our lives. As AI continues to advance, Hassabis’s focus on AI-assisted problem-solving and responsible development remains pivotal for future scientific and technological progress.

Additional Supplemental Information:

Pioneering Responsibly with AI:

AI’s potential to solve humanity’s greatest challenges hinges on its responsible and safe development, with ethical considerations being integral from the onset. Google’s ethics charter and committee guide AI development, emphasizing the importance of thoughtful deliberation, hypothesis generation, and rigorous testing before deployment.

AGI and the Scientific Method:

The rapid approach of AGI (Artificial General Intelligence) necessitates careful consideration and application of the scientific method in its development and deployment. A balanced approach, characterized by both boldness and responsibility, is required in this domain.

From Games to Proteins:

Hassabis’s early interest in chess and AI led to his involvement in computer game development, where AI often played a central role in gameplay. His experiences in this field fueled his passion for AI research.

Inspiration for Complex Systems:

During his time at Cambridge, Hassabis, along with David Silver, discussed programming Go, which eventually led to the development of AlphaGo, showcasing their interest in Go and reinforcement learning.

AlphaFold and Drug Development:

AlphaFold’s computational approach promises to revolutionize drug development by accelerating processes and reducing costs, potentially enabling more effective treatments for diseases currently overlooked by the pharmaceutical industry

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Ethical Considerations:

Isomorphic Labs aims to make medication more accessible and affordable worldwide, including in developing countries, and considers open-sourcing medication for diseases affecting these regions.

Unforeseen Challenges and Surprises:

Developing complex systems like Go presented challenges, such as the impracticality of enumerating all heuristics. However, AI’s learning approach proved more effective than anticipated, even in complex tasks.

Hard Moments and Rebuilding:

A significant challenge in developing AlphaFold was achieving atomic accuracy. After six months of effort, the team had to start over, leading to the creation of AlphaFold 2, which eventually surpassed its predecessor.

Language Modeling’s Surprise:

The success of language modeling in AI, facilitated by transformers and RLHF, has been notably more straightforward compared to other AI tasks.

Addressing Inequality:

DeepMind actively works to mitigate inequality in AI education and opportunities, sponsoring master’s scholarships, funding chairs in machine learning, and encouraging governmental support in this area.

AI’s Potential for Humanity:

AI can address intractable problems across various domains, potentially leading to radical abundance and equality, and contributing to solutions for societal issues like climate change.

AI in Infrastructure:

AI’s application in optimizing existing infrastructure, such as data centers and power grids, can lead to significant efficiency improvements. It also holds potential for designing new solutions in waste management and pollution reduction.

Balancing Open Source and Safety in AI:

While open-sourcing AI models has driven progress, there are growing concerns about safety and misuse as AI systems become more powerful. Balancing open access with safety considerations is a future challenge.

Balancing Open Science and Access Restrictions:

The challenge lies in balancing open science’s benefits with the risks of access by malicious actors. Controlled access to AI systems may be a viable solution.

Developing Interpretability Analysis:

Understanding AI systems through interpretability analysis is crucial, and further research is needed in this field to develop robust evaluation systems.

Evaluation Tests for Safe AI Systems:

Evaluation tests are essential for ensuring that AI systems are safe and meet desired criteria before their open-source release, serving as necessary guardrails to prevent misuse.

Challenges in Evaluation Systems:

Developing effective evaluation systems for AI is challenging, given the uncertainties about the desired properties and limitations of these systems.


Notes by: Hephaestus