Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

Researchers have discovered the oldest known example of a predator-prey “arms race,” based on their study of ancient fossils. This ancient predator-prey relationship took place 517 million years ago ...

By Ruth Kamnitzer Open any ecology textbook and you’ll find the Canada lynx, the snowshoe hare, and their wildly oscillating population cycles offered as a classic example of the intimate relationship ...