At What If?, webcomic artist Randall Munroe answers reader questions about scientific possibilities. He draws stick figures at xkcd, but he's also a scientist and roboticist. So he carefully thinks through reader questio...

When rivers are rerouted or dammed, or when lakes or reservoirs are built, previously dry land becomes part of the waterway. Most buildings in such places are either torn down or are eventually destroyed by the water, bu...

From Le Grand Portage (Creative Commons)...  ...ful electricity. Aside from their practical use, dams also serve as social and aesthetic forces that ar...  ...ls, Controversy, and Cops The presence of dams in crime dramas is an irresistible plot tool. One...  ...cover the theft of water via dam. Worl...

After watching a movie about beavers a few weeks a...  ...ound of running water. The beavers built up their dams by the speaker until it effectively was silenced....  ...The noise drives them mad. Source Those darn dams We all know beavers love their dams . In fact,...