A bee-eater Merops apiaster pair copulating. This material relates to a paper that appeared in the Feb. 12, 2016, issue of Science, published by AAAS. The paper, by T. Janicke at Unité Mixte de ...

Now imagine colliding into one over 80 feet long. That’s unlikely, but thanks to the Darwin’s bark spider, it’s not impossible. So how can such a small creature create such a vast structure?