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Articles from Popular Science

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.

This EPA unit fights terrorism with science

March 22, 2017 - 13:07 -- Admin

In August of 2005, as the dog days of summer lollygagged towards fall, waters agitated by the winds and currents of Hurricane Katrina rose up and over the Mississippi Gulf Coast. A flurry of criticisms followed—complaints of mediocre warnings, a lackluster disaster response on the part of the Federal Emergency Management Agency (FEMA), poorly made levees, and grief at the sheer loss of human life.

A giant cliff collapse on a comet reveals pristine ice beneath the surface

March 22, 2017 - 13:07 -- Admin

On July 10th, 2015, a chunk of cliff with the same volume as nine Olympic-sized swimming pools tumbled from its perch on Comet 67P. A month later, the comet would reach its perihelion, the closest its elliptical orbit passes to the sun. As the sun's rays reached the Aswan cliff section of Comet 67P's northern hemisphere, the rapid change in temperature warmed the cliff from -220 degrees Fahrenheit to 122 degrees Fahrenheit in the space of about 20 minutes.

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