There’s a chemical arms race underway in the desert along the U.S.-Mexico border. But rather than pitting two armies, it’s a showdown between a highly venomous scorpion and a particularly ferocious ...

Move aside, honey badger. There’s a new contender for the most badass mammal: the southern grasshopper mouse. This little creature from the south-western USA attacks and eats bark scorpions—a group of ...