Landsat imagery of the Ucayali river in Peru shows it meandering over a period of several years; an oxbow lake forms, islands grow and fade in the channel, and a smaller river is "eaten" at the top left. [Hindered Settling, via]
P.S. Looks like it might be a bad idea to build houses on flood plains.
While scientists have studied Moon rocks for 50 years, researchers have for the first time conducted deep analysis on a single grain of lunar dust, atom by atom. Using a common materials science technique called atom probe tomography that’s not widely used by geologists, the Chicago Field Museum’s Jennika Greer and colleagues probed the grain […]
Described by their finder as “Yoopalite” rocks, a cache of fluorescent sodalite-laced stones was found on a Michigan beach. The apparently bland, well-weathered pebbles light up under 365nm; agate-hunter Erik Rintamaki discovered them in 2017 while experimenting with ways to reveal the rare stones. I actually sold a few to at Michigan Tech University, and […]
Earth, Mars and now Titan form an exclusive club among the solar system’s celestial bodies: dust storms. Titan is an intriguing world – in a way quite similar to Earth. In fact, it is the only moon of the Solar System with a substantial atmosphere and the only celestial body other than our planet where […]
Electric bikes aren’t toys. And they aren’t a fad. In fact, more and more communities are starting to catch on that e-bikes are a lot more than an amusing gadget for the tech geek. Following a six-month study, Johnson County, Kansas, home to many Kansas City suburbs, became just the latest U.S. community to allow […]
Whether you’re living in a city that has already taken measures to reduce plastic bag use, the small silver lining of the pandemic has inspired you to make changes, or you’ve already started living a greener lifestyle, reusable produce bags are a great addition to your shopping routine. And if you’re going to invest in […]
Dealing with all the COVID-19 fallout is one of the new realities of our ever-changing world — and that isn’t likely going away anytime soon. It’s also prompted a rash of existential questions for parents. Questions like how do I protect my kids? Or how do I soothe their fears? And there’s also one of […]