Climate change – who can keep up?

Evolution has no forethought. An artic fox turns white at a particular time in winter due to the selection pressures experienced by its ancestors. This adaptation helped foxes in the past blend into the snowy background and more easily disguise themselves from prey. But what if timing of first snowfall starts to move later and later into the year or becomes more unpredictable? This is a question of phenology, the … Continue reading

Trade-offs are important for promoting diversity, even for microbes

Background In 2005, Science Magazine published a special issue exploring 125 big unanswered questions in science in celebration of their 125th anniversary. One of the questions that I keep thinking about (as many biologists do, I’m sure), is this question of, “what determines species diversity?“. I know: This is an overwhelmingly big and important question in biology. So I decided to focus on just one hypothesis addressing this question. That … Continue reading

Sex is for the Greater Good

Allegedly, men think about sex once every seven seconds. While this may seem like an exaggeration, regardless of gender, it’s likely an underestimate if you’re a life history biologist. I grew up as a graduate student in a life history lab, and trust me, there’s no end to the number of sex jokes that can be made when you’re talking about reproductive strategies that involve sneaker males or massive orgies … Continue reading