Nov 21
This is probably something you learned in elementary school: Rivers almost never flow in a straight line. Instead, they twist and turn along serpentine paths.
But why exactly is that so?
A new video by YouTube’s MinuteEarth (above) gives the surprisingly complicated answer, showing how even the slightest natural disturbance (even the burrowing of a muskrat) can, in time, cause even the mightiest of rivers to bend.
H/T Reddit
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