English

This awe-inspiring video shows of the process of human reproduction from conception to birth. It explains how mitosis and meiosis create genetic variation, how the ovum travels from the ovary to the uterus, how sperm pass the cervix, how one sperm achieves fertilization with the ovum, how the zygote begins cell differentiation, and how the embryo grows into a fetus ready for birth.

On April 25, 1953, James Watson and Francis Crick published their groundbreaking discovery of the double helix structure of DNA, the molecule essential for passing on our genes and the ''secret of life.'' But their crucial breakthrough depended on the pioneering work of another biologist–Rosalind Franklin.

This eye-opening program delves into humanity's war with lethal microorganisms and viruses. Detailed images illuminate how microbes attack the body and how our immune systems defend it. Reenactments of remarkable medical discoveries - penicillin, blood groups, methods of malaria control, and the polio vaccine- are portrayed.

Profiles a diverse group of Goldman Environmental Prize winners who have made it their duty to protect their local environments. The inspiring stories pose questions about how to weigh the needs of modern life with the reality of its impact on the environment. Demonstrates many ways that regular people can become environmental heroes.

Contains 2 programs from the PBS Nature series.

Stars actor Jeff Goldblum and dramatizes the race to solve the structure of DNA. It is the story of the diligent research and perseverance of James Watson and Francis Crick that led to the discovery. Students of biology and genetics will benefit from the process of problem-solving used to identify the structure of DNA, as well as the clear, concise summary of research evidence.

There is a lot of controversy around genetic modification of organisms and cloning. This program looks at the way man has modified genomes of plants and animals used for food since the dawn of agriculture. As knowledge of cells and genetics has increased so has man's ability to alter genomes.

Professor Alan Trounson is a distinguished Australian scientist. He was one of the pioneers of IVF treatment for infertile couples, and is now a leading international figure in stem cell research. He reviews a range of techniques and issues related to stem cell research, including: maker cell biology, gene expression and epigenetics, applications of genetics and epigenetics, ?blinking on?

Investigators and medical examiners user the most advanced medical tools to uncover a multitude of murders through poisoning. Forensic Files® is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This critically acclaimed, award winning series delves into the world of forensic science, profiling intriguing crimes, accidents and outbreaks of disease from around the world.

Jealousy, deceit and greed lead to unimaginable acts of violence which only forensics can solve. Forensic Files® is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This critically acclaimed, award winning series delves into the world of forensic science, profiling intriguing crimes, accidents and outbreaks of disease from around the world.

The psychology of serial killing is explored in these episodes of repetitive murders. Forensic Files® is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This critically acclaimed, award winning series delves into the world of forensic science, profiling intriguing crimes, accidents and outbreaks of disease from around the world.

From Legionnaires disease to deadly parasites, mysterious illnesses are explored and explained. Forensic Files® is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This critically acclaimed, award-winning series delves into the world of forensic science, profiling intriguing crimes, accidents and outbreaks of disease from around the world.

Some of Histories most puzzling and perplexing cases are examined and solved. Forensic Files® is a pioneer in the field of fact-based, high tech, dramatic storytelling. This critically acclaimed, award-winning series delves into the world of forensic science, profiling intriguing crimes, accidents and outbreaks of disease from around the world.

How did the universe, our planet, and life begin?

Who would have predicted that a hot spot left over from the Big Bang would eventually lead to our galaxy, the solar system, the Earth—and to us? Origins explores how the universe and our planet began amid chaos and eventually gave birth to the first stirrings of life.

Shows the various physical forces at play in the pitch, the hit, the flight of the ball and the run around the bases. DVD includes 4 programs: 1. The Pitch takes a look at gravity, air drag, and the Magnus force. 2.