Natural selection describes how small variations in plants and animals lead to the remarkable fit between their traits and the environments they live in. It does not, however, always work. The limits to natural selection receive less attention than the potential it has to explain all manner of adaptation and diversity. I argue here that… (read more)
Income inequality can lead to several of the seven deadly sins. Greed is a natural in a society where some people have much and many have little. Unequal societies are also susceptible to Envy. A particularly equal society can bring about Sloth, the assumption that nothing is really worth striving for. Today, I would like… (read more)
One of the themes of last year’s Occupy protest was income inequality, focusing especially on how much wealth the top 1% of income earners controlled. Income inequality has always been of interest in discussing what makes a fair society but economists also refer to income inequality when discussing what makes an efficient society. An economy… (read more)
Biodiversity is a great value for humans (see Sources of biodiversity). Many would argue that it is even more important than that – that it is a key aspect of how ecosystems work. The logic for this is straightforward. Species with similar body plans and lifestyles form a set of “spare parts” (often rather dramatically compared… (read more)
Biodiversity is one of life’s great perks. Whether your interests run to gardening, woodworking, wine tasting, or hiking, the variety of life forms all around us enriches and sustains our lives as humans. The variety in our diets, in the landscapes that surround us, in the medicines that heal us and in the works of… (read more)
The topics for this blog range in and out of what I am competent to talk about. Yet the tale is no less fascinating for being told by a neophyte. In particular, I propose to explore the fields of ecology, economics and evolution. They have more in common than simple alliteration. The first two are… (read more)
Story tellers have always needed an audience. Yet the joy in story telling is not entirely rooted in the slack-jawed amazement or teary-eyed delight of the listeners. The urge to create a new jumble of ideas or to portray a venerable idea in a fresh new perspective is ever present. The story teller is driven… (read more)
