Pitchers are on the mound and warming up for this season’s opening day of baseball. Ninety feet away, batters, armed only with a wooden stick, prepare to face them. Many parts of America’s national pastime have changed over the years, but the two key elements – putting bat to ball – have remained at its core.
A wasp from the Russian Far East could help save the region's ash trees. But don't expect to see big, healthy ash trees in New England forests anytime soon.
A wasp from the Russian Far East could help save the region's ash trees. But don't expect to see big, healthy ash trees in New England forests anytime soon.
The stingless wasp is tiny – about the size of a mosquito. But scientists have big hopes for it. In Russian forests, where the wasp is originally from, it naturally targets and attacks emerald ash borer.