Invasive species are bad news. They compete with native critters for food, destroy local ecology and, in some cases, are even dangerous to humans. And thanks to the increasingly global nature of our world, there are more and more animals discovered where they don’t belong every year. Here are just a few pests that have hitched rides to distant shores, where they’re currently wreaking havoc.1. Cane Toad, Bufo... READ ON

As researchers learn more about what’s going on inside our heads, they’re finding the light switches that control some of our most basic functions.... READ ON