Risk analysis finds savings for homeowners and local governments of excluding invasive pests like the emerald ash borer outweigh added cost to imported goods.
The Strawberry poison frog lavishes care upon its offspring. It’s just that kind of frog. In the March issue of Ecology, Stynoski et al. report that it also feeds its progeny poison. Also in this issue: P value debates, arctic warming, and estimating the success of biological invasions.