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Electrically charged sands on Titan would make seriously sturdy sandcastles

March 29, 2017 - 11:38 -- Admin

Imagine you're at a beach, standing near the dunes and looking out on a peaceful sea. The dry sand squishes through your toes, and you decide to build a sandcastle near the shore, without using any liquid to bind the grains together. A few weeks later, you wander back the same way, and your sandcastle is still there.

Popular foods that grow in somewhat startling ways

March 29, 2017 - 11:38 -- Admin

Cherries grow on trees, strawberries on vines, but how do cashews grow? Thanks to our current food system, we can get crops from almost anywhere in the world—vanilla from Madagascar, bananas from Ecuador. Of course, the downside of receiving produce from far-off lands is that we can't exactly run into the fields to see how they're grown. For many, the manner in which fruits and veggies emerge from the earth can be something of a mystery.

The secret of successful marine protected areas? People.

March 23, 2017 - 10:58 -- Admin

At 582,578 square miles, Papahānaumokuākea Marine National Monument is not just the United States' largest marine protected area—it's currently the largest marine protected area in the world. The monument, a stepladder-shaped oceanic expanse dotted with atolls, shoals, and islands northeast of Hawaii's island of Kauai, was created by President Bush in 2006 and expanded by President Obama in 2016.

Fitness trackers can be addictive—and dangerous

March 23, 2017 - 10:58 -- Admin

Katherine Schreiber and Leslie Sim are experts on exercise addiction who believe that tech advances encourage obsessive goal monitoring. Schreiber and Sim loathe wearable tech. “It's the worst,” Schreiber says. “The dumbest thing in the world,” says Sim. Schreiber has written extensively about exercise addiction, and Sim is a clinical child adolescent psychologist at the Mayo Clinic. Many of Sim's adolescent patients have twin exercise and eating disorders, which tend to go together.

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