Generic names of flowing water bodies (streams) mapped from the National Hydrography Dataset by Derek Watkins. Easily in my list of Top 5 Maps. More info from the creator here: derekwatkins.wordpress.com/2011/07/25/gen….

Sneak peek at some of the debris flow experiments going on in our lab! Feat. chalkboard math from yours truly. x.com/Caltech/status…