MAX BENNETT - Author of A Brief History of Intelligence: Evolution, AI, and the Five Breakthroughs That Made Our Brains - CEO of Alby

MAX BENNETT - Author of A Brief History of Intelligence: Evolution, AI, and the Five Breakthroughs That Made Our Brains - CEO of Alby

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Author of A Brief History of Intelligence: Evolution, AI, and the Five Breakthroughs That Made Our Brains
Cofounder & CEO of Alby · Fmr. Cofounder & CPO of Bluecore

So, modern neuroscientists are questioning if there really is one consistent limbic system. But usually when we're looking at the limbic system, we're thinking about things like emotion, volition, and goals. And those types of things, I would argue reinforcement learning algorithms, at least on a primitive level, we already have because the way that we get them to achieve goals like play a game of go and win is we give them a reward signal or a reward function. And then we let them self-play and teach themselves based on maximizing that reward. But that doesn't mean that they're self-aware, doesn't mean that they're experiencing anything at all. There's a fascinating set of questions in the AI community around what's called the reward hypothesis, which is how much of intelligent behavior can be understood through the lens of just trying to optimize a reward signal. We are more than just trying to optimize reward signals. We do things to try and reinforce our own identities. We do things to try and understand ourselves. These are attributes that are hard to explain from a simple reward signal, but do make sense. And other conceptions of intelligence like Karl Friston's active inference where we build a model of ourselves and try and reinforce that model.

Highlights - MARK MASLIN - Author of How To Save Our Planet: The Facts - Professor, Earth System Science, UCLondon

Highlights - MARK MASLIN - Author of How To Save Our Planet: The Facts - Professor, Earth System Science, UCLondon

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Author of How To Save Our Planet: The Facts
Professor of Earth System Science at University College London

I think the most important thing is realizing how much impact humans have had on the planet. For example, did you know that we move more rock and sediment than all the natural processes put together? We also have created enough concrete already to cover the whole world in a layer that's two millimeters thick, and that includes the oceans. We have also created and make something like 300 million tons of plastic every single year, which we know ends up in our rivers. It ends up in our oceans. And we've also found that microplastics have been found in human blood. So this is the impact we're having all around the world. We've also cut down 3 trillion trees, that's half the trees on the planet. We have doubled carbon dioxide in the atmosphere. We've increased methane by about 150%, which has led to a warming of the planet of about 1.2 degrees Celsius. And If you weigh the land mammals, 30% of that weight is us humans. There are 8 billion of us, and I have to say a few of us could lose a few pounds, but 67% of that weight is our livestock. And just 3% is those wild animals. So in less than 5,000 years, we've gone from 99% being wild animals to less than 3%. That's how much impact we humans have had on the planet.

MARK MASLIN - Author of How To Save Our Planet: The Facts - Professor, Earth System Science, University College London

MARK MASLIN - Author of How To Save Our Planet: The Facts - Professor, Earth System Science, University College London

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Author of How To Save Our Planet: The Facts
Professor of Earth System Science at University College London

I think the most important thing is realizing how much impact humans have had on the planet. For example, did you know that we move more rock and sediment than all the natural processes put together? We also have created enough concrete already to cover the whole world in a layer that's two millimeters thick, and that includes the oceans. We have also created and make something like 300 million tons of plastic every single year, which we know ends up in our rivers. It ends up in our oceans. And we've also found that microplastics have been found in human blood. So this is the impact we're having all around the world. We've also cut down 3 trillion trees, that's half the trees on the planet. We have doubled carbon dioxide in the atmosphere. We've increased methane by about 150%, which has led to a warming of the planet of about 1.2 degrees Celsius. And If you weigh the land mammals, 30% of that weight is us humans. There are 8 billion of us, and I have to say a few of us could lose a few pounds, but 67% of that weight is our livestock. And just 3% is those wild animals. So in less than 5,000 years, we've gone from 99% being wild animals to less than 3%. That's how much impact we humans have had on the planet.

Highlights - DOMINIC McAFEE - Marine Ecologist, University of Adelaide - Restoring Lost Oyster Reefs

Highlights - DOMINIC McAFEE - Marine Ecologist, University of Adelaide - Restoring Lost Oyster Reefs

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Marine Ecologist · University of Adelaide · Restoring Lost Oyster Reefs

There's this real emergence of young people doing incredible things enabled by bio-modern technology and a more globalized and connected world and access to amazing educational resources about what the environment does and means for humanity. We've lost something like 85% of oyster reefs globally. In Australia it's over 99%. We've smashed this ecosystem to smithereens. It covered something like 7,000 kilometers of coastline and the flat oyster reef, for example, the flat oysters, one type of oyster that we work with were completely removed from the Australian mainland, and about 5,000 kilometers of reef destroyed in a very short period of time. And because of the intensity with which the coastlines were modified following European settlement of Australia, they haven't been able to come back naturally.

DOMINIC McAFEE - Marine Ecologist, University of Adelaide - Restoring Lost Oyster Reefs

DOMINIC McAFEE - Marine Ecologist, University of Adelaide - Restoring Lost Oyster Reefs

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Marine Ecologist · University of Adelaide · Restoring Lost Oyster Reefs

There's this real emergence of young people doing incredible things enabled by bio-modern technology and a more globalized and connected world and access to amazing educational resources about what the environment does and means for humanity. We've lost something like 85% of oyster reefs globally. In Australia it's over 99%. We've smashed this ecosystem to smithereens. It covered something like 7,000 kilometers of coastline and the flat oyster reef, for example, the flat oysters, one type of oyster that we work with were completely removed from the Australian mainland, and about 5,000 kilometers of reef destroyed in a very short period of time. And because of the intensity with which the coastlines were modified following European settlement of Australia, they haven't been able to come back naturally.

Highlights - ANIL SETH - Co-director of Sussex Centre for Consciousness Science & Canadian Institute for Advanced Research Program on Brain, Mind & Consciousness

Highlights - ANIL SETH - Co-director of Sussex Centre for Consciousness Science & Canadian Institute for Advanced Research Program on Brain, Mind & Consciousness

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Author of Being You: A New Science of Consciousness
Co-director of the Sackler Centre for Consciousness Science · Canadian Institute for Advanced Research Program on Brain, Mind & Consciousness

This is a point in philosophy that the world as it is can never be directly apprehended by our minds. We are shielded from it by what's called a sensory veil. There are, for instance, no such thing as colors that are out there. As the artist Cezanne said, "The colors are where the brain and the universe meet." And color is, I think, a really good example because it is, in a sense, less than what's there because our eyes are only sensitive to three wavelengths of this huge electromagnetic spectrum, which goes all the way from x-rays and gamma rays to radio waves. And we live in a tiny, thin slice of that reality. But then out of those three wavelengths we experience our brains generate many more than three colors and almost an infinite palette of colors. So there's no sense in which our perception could ever reveal the world as it really is, that it reveals the world in a way that's very useful for us as organisms hell-bent on continuing to live and to survive. 

ANIL SETH - Author of Being You: A New Science of Consciousness - Co-director of Sussex Centre for Consciousness Science

ANIL SETH - Author of Being You: A New Science of Consciousness - Co-director of Sussex Centre for Consciousness Science

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Author of Being You: A New Science of Consciousness
Co-director of the Sackler Centre for Consciousness Science · Canadian Institute for Advanced Research Program on Brain, Mind & Consciousness

This is a point in philosophy that the world as it is can never be directly apprehended by our minds. We are shielded from it by what's called a sensory veil. There are, for instance, no such thing as colors that are out there. As the artist Cezanne said, "The colors are where the brain and the universe meet." And color is, I think, a really good example because it is, in a sense, less than what's there because our eyes are only sensitive to three wavelengths of this huge electromagnetic spectrum, which goes all the way from x-rays and gamma rays to radio waves. And we live in a tiny, thin slice of that reality. But then out of those three wavelengths we experience our brains generate many more than three colors and almost an infinite palette of colors. So there's no sense in which our perception could ever reveal the world as it really is, that it reveals the world in a way that's very useful for us as organisms hell-bent on continuing to live and to survive.