Real-life rock-paper-scissors

By David Fronk 1, 2, 3, shoot! Joe threw paper, Jane scissors, and you stuck with trusty rock. For the umpteenth time, you repeat the ritual in the hopes someone will deviate from their norms and break the cycle. 1, 2, 3, shoot! Same results. With each of you competing against each other, the stalemate … Continue reading Real-life rock-paper-scissors

That’s Bananas!—How flowers get fancier

Frivolous as it may sound to us, making pretty flowers is serious business for a plant. Fancier flowers often mean more attention from pollinators and greater reproductive success, and the huge diversity of flowers around today shows that the evolution of new flower types has paid off. But how can plants afford to experiment with such an important developmental process? As Becky Povilus explains, they do and they don't.

Xyleborinus saxesenii, welcome to the eusociality club!

You might have thought eusociality, an extreme form of cooperation that makes a colony of individuals verge on a superorganism, was just for ants and bees. As we learn more natural history, though, we see more and more examples. Here, Jack Boyle explains how scientists created artificial nests so they could observe the social habits of X. saxesenii, an ambrosia beetle normally concealed in tree trunks, to determine whether they meet the three eusociality criteria.