As we begin a new year bound to bring with it a multitude of exciting scientific discoveries, Luke takes stock of the year just gone and all of the exceptional breakthroughs from 2023. It was a big year for science, as aging was reversed, Alzheimer's slowed, and the true number of steps needed for health revealed. AI has already had a big impact on science and this year was no different, Luke talks us through some of the highlights, while waiting to see the inevitable role it will play in the scientific advancements of 2024.