DNA: the secret of life

Beginnings of genetics: from Mendel to Hitler

The double helix: this is life

Reading the code: bringing DNA to life

Playing God: customized DNA molecules

DNA, dollars, and drugs: biotechnology

Tempest in a cereal box: genetically modified agriculture

The human genome: life's screenplay

Reading genomes: evolution in action

Out of Africa: DNA and the human past

Genetic fingerprinting: DNA's day in court

Gene hunting: the genetics of human disease

Defying disease: treating and preventing genetic disorders

Who we are: nature vs. nurture.