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Debating whether Werner Heisenberg, a key figure in the Nazis' effort to build a bomb, was he trying to help or to hinder the Nazis.

How Hans Kammler was the mastermind that took projects from drawing boards to reality.

Earth's first animals, 500 million years old, are just being uncovered.

A diver devotes himself to cleaning up the ocean floors in Newfoundland's harbors, one tire at a time. As he edges closer to financial ruin in his effort to save the planet, his good deeds don't go unnoticed.

Streaming changes everything, but the economics are still bad for most Black recording artists.

A look at the work of six Black Canadian artists, including Austin Clarke and Sylvia Hamilton.

A chronicle of the lives of Black Canadian athletes that delves into their rise and the challenges they faced.

Streaming changes everything, but the economics are still bad for most Black recording artists.

A look at the work of six Black Canadian artists, including Austin Clarke and Sylvia Hamilton.

A chronicle of the lives of Black Canadian athletes that delves into their rise and the challenges they faced.

Streaming changes everything, but the economics are still bad for most Black recording artists.

A look at the work of six Black Canadian artists, including Austin Clarke and Sylvia Hamilton.

A chronicle of the lives of Black Canadian athletes that delves into their rise and the challenges they faced.

Millions of young people rise up to demand a livable planet.

The accidental discovery in Alberta of one of the best-preserved dinosaurs opens a prehistoric cold case to uncover the secrets of its mysterious death.

Rain brings unexpected benefits for spadefoot toads, grizzlies and whitewater kayakers but too much of it can be deadly.

An indigenous nation asserts sovereignty. The Wet'suwet'en people reoccupying their territory and resisting the construction of multiple pipelines.

Rain brings unexpected benefits for spadefoot toads, grizzlies and whitewater kayakers but too much of it can be deadly.

An indigenous nation asserts sovereignty. The Wet'suwet'en people reoccupying their territory and resisting the construction of multiple pipelines.

Rain brings unexpected benefits for spadefoot toads, grizzlies and whitewater kayakers but too much of it can be deadly.

An indigenous nation asserts sovereignty. The Wet'suwet'en people reoccupying their territory and resisting the construction of multiple pipelines.

Authorities meet a Greenpeace peaceful action on a Russian oil rig in the Arctic with brutal force.

Céline and Fabien dive deep in Shag Harbour, Nova Scotia, where they're investigating one of the best documented UFO sightings in history.

Bobsleigh Canada aims to recapture past success; top pilot Cynthia Appiah enters the season with a new partner, causing tension among former teammates.

Authorities meet a Greenpeace peaceful action on a Russian oil rig in the Arctic with brutal force.

Céline and Fabien dive deep in Shag Harbour, Nova Scotia, where they're investigating one of the best documented UFO sightings in history.

Bobsleigh Canada aims to recapture past success; top pilot Cynthia Appiah enters the season with a new partner, causing tension among former teammates.

Authorities meet a Greenpeace peaceful action on a Russian oil rig in the Arctic with brutal force.

Céline and Fabien dive deep in Shag Harbour, Nova Scotia, where they're investigating one of the best documented UFO sightings in history.

Bobsleigh Canada aims to recapture past success; top pilot Cynthia Appiah enters the season with a new partner, causing tension among former teammates.

How screens affect children's development, learning abilities and mental health.

Canadians push the limits of cold endurance; baby harp seals brave icy waters; flying squirrels.

Falcons, butterflies and spiders hitch a ride on the wind; Canadians harness and harvest the wind.

A nerdy dad's globetrotting exploration of the unintended consequences and absurdities of life in an increasingly Internet-connected world.

Misinformation expert Timothy Caulfield investigates the purported "crisis in masculinity," debunks toxic men's health myths and meets with people challenging traditional masculine norms.

Jason Priestley takes a look at Harold Ballard, the controversial owner of the Toronto Maple Leafs. Ballard's offensive behaviors range from backhanded contract dealings and sexist tirades, to serving a year in prison for theft and fraud.

Falcons, butterflies and spiders hitch a ride on the wind; Canadians harness and harvest the wind.

A nerdy dad's globetrotting exploration of the unintended consequences and absurdities of life in an increasingly Internet-connected world.

Misinformation expert Timothy Caulfield investigates the purported "crisis in masculinity," debunks toxic men's health myths and meets with people challenging traditional masculine norms.

Jason Priestley takes a look at Harold Ballard, the controversial owner of the Toronto Maple Leafs. Ballard's offensive behaviors range from backhanded contract dealings and sexist tirades, to serving a year in prison for theft and fraud.

Falcons, butterflies and spiders hitch a ride on the wind; Canadians harness and harvest the wind.

A nerdy dad's globetrotting exploration of the unintended consequences and absurdities of life in an increasingly Internet-connected world.

Misinformation expert Timothy Caulfield investigates the purported "crisis in masculinity," debunks toxic men's health myths and meets with people challenging traditional masculine norms.

A portrait of Dewayne Johnson, a Bay Area groundskeeper who suffered from deteriorating health possibly caused by herbicide.

These two people have struggled with mental illness their entire lives; they're fighting for their right to die via Canada's Medical Assistance in Dying program.

A portrait of Dewayne Johnson, a Bay Area groundskeeper who suffered from deteriorating health possibly caused by herbicide.

These two people have struggled with mental illness their entire lives; they're fighting for their right to die via Canada's Medical Assistance in Dying program.

A portrait of Dewayne Johnson, a Bay Area groundskeeper who suffered from deteriorating health possibly caused by herbicide.

These two people have struggled with mental illness their entire lives; they're fighting for their right to die via Canada's Medical Assistance in Dying program.

The citizens of Lac-Mégantic share their harrowing accounts from that night; flashing back to June 30, 2013, where the ill-fated train leaves the Bakken oil fields of North Dakota.

As downtown burns, citizens search for the missing; the scope of the destruction is evident, but the cause is unknown and no one takes responsibility for what's happened.

A diver devotes himself to cleaning up the ocean floors in Newfoundland's harbors, one tire at a time. As he edges closer to financial ruin in his effort to save the planet, his good deeds don't go unnoticed.

This rollicking romp through the barnyard reveals the mysterious and often misunderstood world of chickens, including their sophisticated social order and surprising cognitive capabilities.

The citizens of Lac-Mégantic share their harrowing accounts from that night; flashing back to June 30, 2013, where the ill-fated train leaves the Bakken oil fields of North Dakota.

As downtown burns, citizens search for the missing; the scope of the destruction is evident, but the cause is unknown and no one takes responsibility for what's happened.

A diver devotes himself to cleaning up the ocean floors in Newfoundland's harbors, one tire at a time. As he edges closer to financial ruin in his effort to save the planet, his good deeds don't go unnoticed.

This rollicking romp through the barnyard reveals the mysterious and often misunderstood world of chickens, including their sophisticated social order and surprising cognitive capabilities.

The citizens of Lac-Mégantic share their harrowing accounts from that night; flashing back to June 30, 2013, where the ill-fated train leaves the Bakken oil fields of North Dakota.

As downtown burns, citizens search for the missing; the scope of the destruction is evident, but the cause is unknown and no one takes responsibility for what's happened.

A diver devotes himself to cleaning up the ocean floors in Newfoundland's harbors, one tire at a time. As he edges closer to financial ruin in his effort to save the planet, his good deeds don't go unnoticed.

This rollicking romp through the barnyard reveals the mysterious and often misunderstood world of chickens, including their sophisticated social order and surprising cognitive capabilities.

The justice system is put on trial as a defense team challenges a mother's murder conviction for the death of her disabled child.

Northumbria Police receive a call from a man whose 70-year-old neighbor has been robbed.

The justice system is put on trial as a defense team challenges a mother's murder conviction for the death of her disabled child.

Northumbria Police receive a call from a man whose 70-year-old neighbor has been robbed.

The justice system is put on trial as a defense team challenges a mother's murder conviction for the death of her disabled child.

A look at the work of six Black Canadian artists, including Austin Clarke and Sylvia Hamilton.

A chronicle of the lives of Black Canadian athletes that delves into their rise and the challenges they faced.

Jamaican American poet and LGBTQ+ activist Staceyann Chin reclaims the art of mothering.

Earth's first animals, 500 million years old, are just being uncovered.

A look at the work of six Black Canadian artists, including Austin Clarke and Sylvia Hamilton.

A chronicle of the lives of Black Canadian athletes that delves into their rise and the challenges they faced.

Jamaican American poet and LGBTQ+ activist Staceyann Chin reclaims the art of mothering.

Earth's first animals, 500 million years old, are just being uncovered.

A look at the work of six Black Canadian artists, including Austin Clarke and Sylvia Hamilton.

A chronicle of the lives of Black Canadian athletes that delves into their rise and the challenges they faced.

Jamaican American poet and LGBTQ+ activist Staceyann Chin reclaims the art of mothering.

Earth's first animals, 500 million years old, are just being uncovered.

The untold story of the groundbreaking all-women music festival, started by singer-songwriter Sarah McLachlan in the late 1990s.

Alan built a castle in rural Illinois with his late love. Facing life alone, he revisits their fantasy through musical re-enactments transporting him to the world they shared.

The untold story of the groundbreaking all-women music festival, started by singer-songwriter Sarah McLachlan in the late 1990s.

Alan built a castle in rural Illinois with his late love. Facing life alone, he revisits their fantasy through musical re-enactments transporting him to the world they shared.

The untold story of the groundbreaking all-women music festival, started by singer-songwriter Sarah McLachlan in the late 1990s.

Alan built a castle in rural Illinois with his late love. Facing life alone, he revisits their fantasy through musical re-enactments transporting him to the world they shared.

The world's largest breeding colony of grey seals is found on the remote shores of Sable Island, Nova Scotia.

The story of the first time a human tamed a wild horse and the impacts it made on history.

The sun is the driving force behind all weather; why blue whales and vultures depend on sunlight; sunlight is essential for training some extreme athletes.

When a body is discovered, murder detectives start a manhunt for suspects; rural officers intensify efforts to prevent poaching in rural areas and detectives investigate.

Experts believe 50 percent of Canada's government gambling revenue comes from problem gamblers.

A Colorado man builds his own castle by hand, while a former industrial wrecker uses salvaged metal to create unusual sculptures.

Jonny Harris travels to the Osoyoos Indian Band in British Columbia to find out why this Indigenous community in the desert has been called the Miracle in the Desert.

The sun is the driving force behind all weather; why blue whales and vultures depend on sunlight; sunlight is essential for training some extreme athletes.

When a body is discovered, murder detectives start a manhunt for suspects; rural officers intensify efforts to prevent poaching in rural areas and detectives investigate.

Experts believe 50 percent of Canada's government gambling revenue comes from problem gamblers.

A Colorado man builds his own castle by hand, while a former industrial wrecker uses salvaged metal to create unusual sculptures.

Jonny Harris travels to the Osoyoos Indian Band in British Columbia to find out why this Indigenous community in the desert has been called the Miracle in the Desert.

The sun is the driving force behind all weather; why blue whales and vultures depend on sunlight; sunlight is essential for training some extreme athletes.

When a body is discovered, murder detectives start a manhunt for suspects; rural officers intensify efforts to prevent poaching in rural areas and detectives investigate.

Experts believe 50 percent of Canada's government gambling revenue comes from problem gamblers.

At just 14 years old, Kim Edwards and Lucas Markham send shock waves around their small Lincolnshire town in 2016; one night, as Kim's mother and sister sleep soundly in their beds, Kim stabs them to death.

A single mom and pizza delivery driver was murdered on a late-night run for Dominos, and police arrested her former boyfriend.

Margaret and Chad Amato are found dead with their son in their Florida Home; middle son Grant Amato is accused of killing his family, despite a seeming lack of evidence.

At just 14 years old, Kim Edwards and Lucas Markham send shock waves around their small Lincolnshire town in 2016; one night, as Kim's mother and sister sleep soundly in their beds, Kim stabs them to death.

A single mom and pizza delivery driver was murdered on a late-night run for Dominos, and police arrested her former boyfriend.

Margaret and Chad Amato are found dead with their son in their Florida Home; middle son Grant Amato is accused of killing his family, despite a seeming lack of evidence.

At just 14 years old, Kim Edwards and Lucas Markham send shock waves around their small Lincolnshire town in 2016; one night, as Kim's mother and sister sleep soundly in their beds, Kim stabs them to death.

A single mom and pizza delivery driver was murdered on a late-night run for Dominos, and police arrested her former boyfriend.

Margaret and Chad Amato are found dead with their son in their Florida Home; middle son Grant Amato is accused of killing his family, despite a seeming lack of evidence.

Dogs using buttons to communicate in our language have gone viral, inspiring intrepid owners and scientists to dive deeper: can dogs truly talk to us? Host: Anthony Morgan.

This rollicking romp through the barnyard reveals the mysterious and often misunderstood world of chickens, including their sophisticated social order and surprising cognitive capabilities.

The life of an iceberg, from its stunning birth in Greenland to its dramatic death off the shores of Newfoundland. Host: Sarika Cullis-Suzuki.

The untold story of the groundbreaking all-women music festival, started by singer-songwriter Sarah McLachlan in the late 1990s.

During The Queen's final years rifts appear between heirs and spares; Prince Harry has left the country and Prince Andrew has been stripped of his HRH title.

Uncovering the secrets of Prince George's royal upbringing, how he is raised, his education, the royal rituals he must learn and how his modern upbringing is bringing the royal family kicking and screaming into the modern age.

The life of an iceberg, from its stunning birth in Greenland to its dramatic death off the shores of Newfoundland. Host: Sarika Cullis-Suzuki.

The untold story of the groundbreaking all-women music festival, started by singer-songwriter Sarah McLachlan in the late 1990s.

During The Queen's final years rifts appear between heirs and spares; Prince Harry has left the country and Prince Andrew has been stripped of his HRH title.

Uncovering the secrets of Prince George's royal upbringing, how he is raised, his education, the royal rituals he must learn and how his modern upbringing is bringing the royal family kicking and screaming into the modern age.

The life of an iceberg, from its stunning birth in Greenland to its dramatic death off the shores of Newfoundland. Host: Sarika Cullis-Suzuki.

The untold story of the groundbreaking all-women music festival, started by singer-songwriter Sarah McLachlan in the late 1990s.

A doctor steals Albert Einstein's brain and carts it around for 50 years, sure that it holds the key to genius.

Meeting Canadians who share their stories and break down taboos around living with depression.

An inquest into the mysterious deaths of seven First Nations high school students in Thunder Bay, Ontario.

A doctor steals Albert Einstein's brain and carts it around for 50 years, sure that it holds the key to genius.

Meeting Canadians who share their stories and break down taboos around living with depression.