The Fifth Estate Pit Bulls Unleashed: Should They Be Banned?

It’s a fact that pit bulls, with their powerful jaws, can kill and maim. But are pit bulls born bad or do humans make them that way? Therein lies an emotional – sometimes vicious – debate. On one side, traumatized families and public safety advocates. On the other, a powerful group of lobbyists who say that pit bulls are misunderstood ...
  • 2017
  • 00:44:57
  • 15-17
  • Added on: 11/22/2017

News in Review - April 2019 Polar Bears: A Species in Peril

Polar bears have long been a Canadian icon. They live in colder northern climates and hunt for seals. But the climate is changing and the earth is warming. As a result, polar bear numbers are in decline. As the sea ice recedes, the bears lose places to hunt and are stuck ashore, often starving. And their birth rates are declining. ...
  • 2019
  • 00:12:57
  • 9-12
  • Added on: 04/09/2019

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Li'l Doc Polio

In this episode, Li'l Doc and Geeko show us how a virus multiplying in our body can block our muscular control system, making our muscles really soft or really stiff!
  • 2019
  • 00:02:31
  • 5-8
  • Added on: 10/22/2020

The Nature of Things Post Mortem: A Look At Forensic Science

Forensic science has become a formidable enemy of crime. Fingerprints, fibres, blood – like an alchemist converting base metal into gold, skilled investigators turn these things into compelling evidence. Post Mortem visits the DNA lab of the RCMP in Ottawa where viewers discover why DNA evidence based on blood, semen, hair and even saliva left at the crime scene is ...
  • 1991
  • 00:46:08
  • 15-17
  • Added on: 06/14/2013

Brain Games Power of Persuasion

Every day your brain is being manipulated by marketers, advertisers and political candidates, but did you ever wonder how they do it? This episode of Brain Games reveals the science behind the power of persuasion; the tricks and techniques used every day to influence and control your decisions. You’ll be shocked to see just how simple it is to persuade you, even ...
  • 2013
  • 00:22:30
  • 13-14
  • Added on: 05/11/2017

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Li'l Doc Psoriasis

Curious about why dry skin can be so itchy? Li'l Doc and Geeko explain how an imbalance of the immune system can speed up the natural replacement of the upper layer of our skin.
  • 2019
  • 00:02:31
  • 5-8
  • Added on: 10/15/2020

The Nature of Things Puffin Patrol

Travel from Newfoundland’s rocky shores to Maine and Wales to meet the colourful and intriguing Atlantic puffin. Purpose-built burrow cameras witness every tender moment of life in the burrows, from incubation of the egg to hatching and the busy feeding schedule that follows. With this close-up, learn what these intriguing little birds can teach us about the dangers of climate ...
  • 2015
  • 00:44:18
  • 13-14
  • Added on: 02/15/2016

Canadian Museum of Nature Puijila, the “walking” seal

A Canadian Museum of Nature scientist discovers evolutionary evidence of a mammal transforming to “return” to the sea. An amazing fossil from the Arctic of 20 million years ago, Puijila darwini is a land animal that links to the origin of seals.
  • 2009
  • 00:04:01
  • 13-14
  • Added on: 12/18/2019

The Nature of Things Reef Rescue

Over the past 30 years, roughly half of the planet’s coral has been lost. These vital underwater ecosystems are being damaged by pollution and overfishing. But rising water temperatures due to climate change are having the most catastrophic effect of all. There are glimmers of hope in the form of “super corals” that exist in small numbers in places like ...
  • 2020
  • 00:44:09
  • 13-14
  • Added on: 08/21/2020

The Homestretch Reindeer Games: Could Caribou Pull Santa's Sleigh?

Does Santa use reindeer or caribou to pull his sleigh? You may be surprised by the answer! Brian Keating talks about the animal that is the perfect engine for Santa's sleigh, describing their ideal fuel source and a unique bio-mechanical feature that helps these animals hear each other during a Christmas snowstorm.
  • 2012
  • 00:07:02
  • 9-12
  • Added on: 12/09/2013