Researcher fired lasers from planes and discovered ancient Maya farms

Archeologists have been able to learn a lot about the ancient Maya civilization thanks to ruins that have stood the test of time. Studying how ancient peoples in Central America farmed, however, has proven a lot more difficult for obvious reasons. Once it's allowed to grow freely, farmland quickly returns to what it used to be, making it virtually impossible to suss out where farmers grew crops hundreds of years prior. But now, a new research effort has demonstrated that spotting the effects of ...