Scientific American Frontiers Season 12 Episode 5 Growing Up Different

In "Growing Up Different," Scientific American Frontiers dives into the world of human genetics. Host Alan Alda guides us through the intricate maze of how our genes determine everything from our physical appearance to our predisposition for diseases like cancer and Alzheimer's. Alda provides a fascinating look into the latest research in human genetics, and how this research helps us understand what makes us unique.

The episode begins by exploring why some humans have blue eyes while others have brown. The answer lies in a gene that determines the amount of melanin in our irises. As Alda explains, this simple example reveals how variations in our genes can have big impacts on our physical attributes.

The episode then moves on to explore the world of epigenetics. Unlike traditional genetics, epigenetics refers to how our environment can actually change the expression of our genes. Alda speaks to researchers who are studying how certain environmental factors, like diet, exercise, and pollution, can impact our genes and affect health outcomes.

Alda then dives into the world of genetic testing and personalized medicine. He speaks with experts who are analyzing the DNA of patients to predict their likelihood of developing certain diseases. Alda even takes a genetic test himself to see what insights he can gather from his own DNA.

Next, Alda turns his attention to the incredible power of CRISPR/Cas9, a genetic engineering tool that allows researchers to edit the DNA of living organisms. Alda speaks with experts who are using CRISPR/Cas9 to cure genetic diseases and even explore the possibility of creating genetically modified humans.

As the episode progresses, Alda delves deeper into the ethical implications of genetic research. He speaks with experts who are grappling with the tough questions of how to regulate genetic engineering, and explores the potential consequences of creating genetically modified individuals.

In the final segment of the episode, Alda examines the role that genetics plays in criminal justice. He speaks with researchers who are using DNA evidence to exonerate wrongly convicted individuals and explores the potential benefits and drawbacks of using genetic data as evidence in criminal trials.

Overall, "Growing Up Different" provides a thorough look at the latest research in human genetics and the implications of this research for our future. Alda does an excellent job of presenting complex scientific concepts in an approachable and engaging way, making for a must-watch episode for anyone interested in the cutting-edge technology of genetic science.