The result is a hammer head that's as solid as possible, demonstrating the mastery and craftsmanship involved in turning scrap metal into a reliable tool. Wisconsin's attorney general asks the ...

Hammerhead worms are an invasive species that have been spreading through the U.S. since at least the early 1900s. Michael Raupp is a bug guy. MICHAEL RAUPP: I try to demystify the lives of ...

He describes hammerhead worms as "creepy, slithering, predatory flatworms" that "dine on unsuspecting earthworms" and other creatures. And "creepy" doesn't begin to describe the worms' ability to ...