Rivers join downstream, flow downhill, and eventually meet an ocean or terminal lake: These are fundamental rules of how waterways and basins are supposed to work. But rules are made to be broken.

But rules are made to be broken. In the journal Water Resources Research, Sowby and Siegel lay out nine rivers and lakes in the Americas that defy hydrologic expectations. All exhibit instances of ...

Whether your goal is to save honeybees or keep trout stocked in streams and ponds, we’re living in a changed culture. What ...