Not all ants were tiny. This appropriately named titanic queen ant fossil was found last year in Wyoming. The winged ant is comparable in size to a typical hummingbird, as you can see here.
This was the first species of Titanomyrma found in the western hemisphere. It lived about 49.5 million years ago, during the Ypresian age, smack in the middle of an anomalous warm spell called the Paleocene-Eocene Thermal Maximum.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.