Science

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.

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?

Euglena is a protist whose behavior is both plant-like and animal-like (protozoan). Structures Like a mobile protozoan, its structures include a flexible outer membrane called a pellicle (not a plant-like rigid cell wall), and a flagellum for locomotion).