Bias In The Fossil Record

Becoming a fossil is a long and difficult journey. The organism has to die and be buried before scavengers and decomposers get at its body, it needs to avoid being crushed or melted through tectonic or volcanic activity, and then...

The Story of the Aral Sea

The idea behind this post came from a game of Trivial Pursuit, in which I was asked (paraphrased), “Which central Asian lake has shrunk by 90% over the past sixty years?” I didn’t know any Asian lakes other than the...

Biology of the Bird Brain

Brains are very complicated. Throughout scientific history, there have been numerous theories about how they work and what the various parts do, and we’re only beginning to scratch the surface of a more functional understanding. Here’s a very well-written but...

A Little More Biochemistry

I’ve posted about basic biochemistry before, focusing on how macronutrients (fats, carbohydrates, and proteins) are used by the body. However, the existence of macro nutrients implies the existence of micronutrients, which are additional substances that you have to eat to...