Modern headlines are claiming mindfulness may cure anxiety, depression, and a whole host of other health problems. How can this simple practice of watching your own breath change the way your brain works? And can that change your life? The fourth episode of the series looks at the power of mindfulness and meditation. It examines different kinds on meditation (transcendental, dynamic, and religious) and notes that they are different from mindfulness meditation (Satipatthana). Also it talks to neuroscientists who discuss what happens in the brain during meditation.

The search for climate change solutions requires passion, resources and a sense of urgency -- three qualities Bill Gates clearly possesses. Bill has founded a start-up called TerraPower. After extensive computer modelling, the idea showed promise. Its new reactor greatly reduced the chance of human error. Fuelled by depleted uranium, the travelling wave reactor functions like a slow-burning candle and requires refuelling only once every decade. Bill and his team believed they had finally developed the ideal energy source, a reactor that was clean, efficient, and most importantly, safe.

Mixing comedy with a thorough investigation of psychedelics, the film explores the pros, cons, science, history, future, pop cultural impact, and cosmic possibilities of hallucinogens. The documentary features comedic tripping stories from A-list actors, comedians, and musicians. Star-studded reenactments and trippy animations bring their surreal hallucinations to life.
'Have a Good Trip' tackles the big questions: Can psychedelics have a powerful role in treating depression, addiction, and helping us confront our own mortality? Are we all made of the same stuff? Is love really all we need? Can trees talk?

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions? From fruit flies to whales, virtually every animal sleeps. But why? Why do we need to spend nearly a third of our lives in such a defenseless state? Scientists are peering more deeply into the sleeping brain than ever before, discovering just how powerful sleep can be, playing a role in everything from memory retention and emotional regulation to removing waste from our brains. So why are we getting so little of it?

Waldemar Januszczak sets out to uncover the secret meanings hidden in four famous paintings by Van Gogh, Gauguin, Cezanne and Seurat. Everyone knows the pictures. They are among the most celebrated masterpieces of art. And yet, hidden inside them are codes and puzzles that no one has been able to decipher.
Van Gogh’s Self-Portrait with Bandaged Ear was painted soon after he cut off his ear with a razor. But how much do we really know about it? In a far-ranging investigation, Waldemar Januszczak delves into the clues hidden in the painting. The result is a tale of geishas, brothels, bullfights, love affairs, suffering and a fiery relationship with Gauguin. The work has a powerful secret message, if you know what to look for.

There is a battle playing out inside your body right now. It started billions of years ago and it is still being fought in every one of us every minute of every day. This is the story of a viral infection - the battle for the cell.
This film reveals the exquisite machinery of the human cell system from within the inner world of the cell itself - from the frenetic membrane surface that acts as a security system for everything passing in and out of the cell, the dynamic highways that transport cargo across the cell and the remarkable turbines that power the whole cellular world to the amazing nucleus housing DNA and the construction of thousands of different proteins all with unique tasks. The virus intends to commandeer this system to one selfish end: to make more viruses. And they will stop at nothing to achieve their goal. Exploring the very latest ideas about the evolution of life on earth and the bio-chemical processes at the heart of every one of us, and revealing a world smaller than it is possible to comprehend, in a story large enough to fill the biggest imaginations.