The Nature of ThingsSeason 412000 · 19 episodesEpisodes1Nuclear Dynamite2Breath of Life3Spare Parts4Lost Worlds: Wild South America5Lost Worlds: Wild South America: Monkey Jungles6Lost Worlds: Wild South America: Amazon Jungle7Lost Worlds: Wild South America: The Mighty AmazonSouth America is a land of extremes. It boasts the world's longest mountain chain, the Andes; the mightiest river, the Amazon; the largest rainforest, the driest desert and the richest sea.8Lost Worlds: Wild South America: The Andes9Amanda's ChoiceAmanda is an insightful 19-year-old from Timmins, Ontario. She has a three-year-old son and a dilemma: whether or not to be tested for the faulty gene that will bring on Alzheimer's Disease by her mid-30s, as happened with her mother and other generations in her family. It is a disease that always leads to early death.10The Secret Life of the Crash Test Dummy11Lost Worlds: Wild South America: Penguin ShoresPENGUIN SHORES is part five of the magnificent six-part BBC series Lost Worlds, covering the amazingly diverse topography of South America, and its remarkable denizens. The world's longest mountain chain stretches from the tropics to the massive Patagonian Ice Sheet of sub-Antarctica. Its icy power dominates the lives of the hardy animals that dare to call it home, making living there one of nature's greatest challenges.12Lost Worlds: Wild South America: Great PlainsLost Worlds - A six-part series on the breath-taking natural world of South America takes viewers on a cross-continent grand tour - from the mighty Amazon to the spectacular Andean peaks and the world's driest desert - stopping to view the strange and wonderful array of animals, birds and other wildlife along the way. Produced by the BBC. Narrated by David Suzuki.13Coastal Forest/Salmon Forest14The Price of SalmonSalmon are considered an excellent source of nutrition. And farmed salmon provide it inexpensively. But at what cost? The Price of Salmon explores the complex issues involved with aquaculture.15Surgeons of the Future16Maisin People In Papua New Guinea17Toxic Legacies18Hospital at the End of the Earth19Worst Case ScenarioAlbertans have traditionally been proud of their mighty petroleum industry. But lately, they have begun to question how that industry works. Nowhere is this shift more apparent than along the Clearwater River in Central Alberta, near Rocky Mountain House. There, residents are opposing Shell Canada's plans to drill a sour gas well in their area. The sour gas from the well could generate $10,000 a day in gross revenue, to meet today's high energy demands.Season 19Season 20Season 21Season 22Season 39Season 40Season 42Season 43Season 44Season 45Season 46Season 47Season 48Season 49Season 50Season 51Season 52Season 53Season 54Season 55Season 56Season 57Season 58Season 59Season 60Season 61Season 62Season 63Season 64Season 65