Canadian PhD graduate Kritika Vashishtha invented a new colour of light and combined it with artificial intelligence to fool the body into shifting time zones faster — creating a possible cure for jet lag. She tells IDEAS how this method could also help astronauts on Mars. *This episode is part of our series Ideas from the Trenches, which showcases fascinating new work by Canadian PhD students.

Could resetting the body's clock help cure jet lag?

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In his 2009 CBC Massey Lectures, The Wayfinders, anthropologist Wade Davis explored how the modern world can learn from Indigenous peoples. From the navigational skills of Polynesian sailors to the healing properties of plants, there is old knowledge we can all learn from. IDEAS revisits Davis' 5th Massey Lecture. Go to cbc.ca/ideas to listen to the full series.

Wade Davis' CBC Massey Lecture # 5 | The Wayfinders: Century of the Wind

Anthropologist Wade Davis has spent a lifetime exploring our planet. In his 2009 CBC Massey Lectures, The Wayfinders, he takes the reader and the listener on a journey through the wonders of the natural world, as they are seen and experienced by Indigenous peoples. Davis revisits his lectures in conversation with IDEAS producer Philip Coulter at Massey College.

Massey at 60: Wade Davis on looking to Indigenous cultures for answers to world crises

Michelangelo’s frescoes in the Sistine Chapel may be one of the most exalted works of art in the world. In her book All Things Move: Learning to Look in the Sistine Chapel, Canadian writer and Rome resident Jeannie Marshall probes the power of art to move us and transcend the historical and religious contexts that shaped it. *This episode originally aired on June 13, 2023.

Learning to Look in the Sistine Chapel: Jeannie Marshall

The Dene fight for self-determination and sovereignty has deep historic ties to liberation efforts around the globe. Yellowknives Dene author and scholar Glen Coulthard traces those influences — and how they shape our current political moment. 

How global liberation efforts helped shape the Dene fight for self-determination

The cost of food is rising, and more Canadians are having difficulty knowing if they can afford their next meal. IDEAS hears from four leading experts in the field of food insecurity to explore the root causes and how our food systems can evolve to support us all. *This episode originally aired on Nov. 29, 2023.

Could resetting the body's clock help cure jet lag?

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