The problem with trying to fix an error after making many mistakes is that we tend to err in the opposite direction. You know the saying: first by omission and then by excess? In statistics, we say there are two types of errors: “Type I error” and “Type II error,” which are terrible names because […]

“Biodiversity is nature itself – all living creatures and plants, and the ecosystems of which they form part. It is not only very important as a source of food, medicines, and natural resources, but also has great spiritual, cultural, and aesthetic significance.” Surprisingly, this isn’t the statement of a biologist or an environmental activist; it’s […]