Paul Andersen explains how natural selection is a major mechanism in evolution. The video begins with a discussion of Charles Darwin and the details of natural selection. The data of the peppered moth during the industrial revolution...

Evolution is inherited change in a population of organisms over time resulting in appearance of new forms, under the influence of pressure from the environment. Note changes are in populations not individual...

This video discusses the debate surrounding genetically modified (GM) crops, specifically focusing on the case of tomato crops in California and the British government's stance on GM maize in the UK. While some argue that GM crops can...

This introduction to the series about the Pennhurst mental health facility, former residents, professionals, and parents discuss the historical and ongoing challenges in treating and integrating individuals with mental differences....

Selective breeding is the process of choosing the best animals and plants and breeding them together, in the hope of getting even better offspring. Learn how it all works and why we do it in this video!

It explains Hardy-Weinberg principle including concepts such as founder effect, bottle neck effect and Hardy-Weinberg Equilibrium.

What happened when one of nature's pickiest eaters met a huge, extremely adaptable snail? Well, it might be the start of evolution in action.

In this video you will learn how weird and wonderful animals are formed in the process of speciation and the formation of new species. Different selection pressures select for different characteristics. Over generations, the individuals...

What is the difference between a population, community and ecosystem and species? What defines different populations of the same species? What factors lead to separate populations? In this program explains that members of the same...

After going through Darwin's work, it's time to get up to speed on our current models of evolution. Much of what Darwin didn't know is now known and understood very well, so we can meticulously go through much of the evidence we see for...