The Great Lakes cradle the southern part of Canada, providing it with a warm climate that allows southern plants and animals to survive there. In this episode we will visit one of the world's most famous bird migration sites, Point Pelee National Park, as well as Rondeau Provincial Park and Pelee Island, where the endangered Blue Racer snake resides.

Although children 7 to 12 still need their physical safety and health protected, they also require strong role models, boundaries, and positive feedback to develop fully. This video will take the viewer through two stages: (1) middle childhood, when children build on what they learned in early childhood, and (2) early adolescence, when children begin to undergo the changes associated with puberty. During these years, children typically pull away from...

This program investigates how the body controls its internal environment. The steady state of the Earth's biosphere is compared to that of the human body. An automated greenhouse and a computerized inventory system demonstrate how negative feedback loops use detection and response to maintain their own balanced states. The regulation of body temperature in response to extreme heat and cold is explored both in a sauna and on a mountain slope. The roles...

Due to ignorance, politics, and misused technologies, childbirth until very recently was often deadly to mother and child. This program presents a medical history of childbirth from ancient times to the present, contrasting methods and beliefs of the past with today's obstetrics. Along with commentary from obstetricians, medical historians, and evolutionary biologists, the program highlights dangers and advances in birthing through documentary clips,...

Born too soon and too small, premature newborns present doctors with some of the toughest medical and ethical challenges today. This program takes a deeply personal look at the emotional odysseys of two families, as specialized medical teams do all they can to save their babies. The emergency C-section to deliver Baby Jada, born twelve weeks early, and an operation to close a hole in Baby Neil's heart are captured on film, as well as interviews with...

The liver is the largest organ in the human body, carrying out more than 500 biological functions. In this program, you’ll learn the anatomy, size, and location of the liver. We’ll also explore the role of the liver in blood pressure, detoxification, digestion, and more. Also discussed: gall bladder, bile, and liver diseases.

Despite their shared genetic makeup, some "identical" twins don't appear identical at all-raising important questions about the role of environment in human development. This program explores several ways in which monozygotic twins grow and change on separate paths as well as the epigenetic, anatomical, and psychological factors involved. With the help of 4D scanning and CGI graphics, viewers learn how uterine conditions impact identical twins differently...

During her eight weeks of life, Leaney Lavea-born prematurely and with medically insurmountable abnormalities-was dependent on machines to live. But were these machines prolonging her life, or were they merely delaying her death? This deeply moving program explores the ethical dilemma surrounding a case that began in a hospital and ended up in court. Interviews with Baby L's parents, the attending physician, the Laveas' legal counsel, and others trace...

"The essential guide to understanding fertility and improving your pregnancy chances.The journey to fertility can be daunting and filled with obstacles. In The Expert Guide to Fertility, OB-GYNs Joseph S. Sanfilippo, MD, MBA, and Aarti Kumar, MD, offer the information you need in your journey to achieve pregnancy. They provide an overview of the human reproductive system, describe issues that may impede conception, and explain various medical, surgical,...