Eat Less, Age Less?

Posted on Categories Discover Magazine

(Credit: Shutterstock) Eating is one of the great pleasures of life. But eating too much places people at risk for chronic illnesses and shortens life expectancy. Seven of 10 Americans are overweight or obese, according to the Centers for Disease Control and Prevention. Being overweight is so common, people don’t recognize when they’ve crossed the belt line; only 36 percent of overweight/obese people think they weigh too much, says a recent Gallup poll. People want to feel healthy ...read more

Moth Makes Different Chemical Weapons for Different Predators

Posted on Categories Discover Magazine

You should never bring a knife to gunfight, or try to beat a bird with ant repellant. That’s how the expression would go if a wood tiger moth coined it, anyway. Other animals are lucky if they have the resources to make just one poison. But this moth is the first species known to make two different chemical weapons that target different predators. The moth, Arctia plantaginis, lives throughout the Northern Hemisphere. Its wings are bright and boldly patterned, a tactic tha ...read more

WATCH: Weather satellite video shows a 10-day dance of three powerful Atlantic hurricanes

Posted on Categories Discover Magazine

This animation of GOES-16 weather satellite images shows three hurricanes in the Atlantic between Sept. 16 and 26, 2017: Jose, Maria and Lee. (Source: RAMMB/CIRA SLIDER) It has been nine days since Hurricane Maria blasted ashore in Puerto Rico with 150 mile per hour winds, ravaging the entire island and leaving residents without electricity, food and water. Today, thousands of containers of desperately needed supplies are sitting in ports and warehouses on the island, waiting to ...read more

New York's Drone Superhighway Officially Launches

Posted on Categories Discover Magazine

This real-time 3D visualization includes flight path and numerous other data points that are important for pilots to know. (Credit: Screenshot, U-SAFE livestream) Showcasing technology that could help usher in the era of commercial drones, the first phase of New York’s 50-mile long drone test corridor took place Thursday at Griffiss International Airport in Rome, New York. Using NASA-led research, the Unmanned Aircraft System Secure Autonomous Flight Environment (U-SAFE) is ...read more

Why Are There Rockfalls at Yosemite?

Posted on Categories Discover Magazine

Climbers on the shear granite face of El Capitan in Yosemite National Park. You can see areas where fresh (white) rock is exposed that likely experienced a recent rockfall. Image: Erik Klemetti, September 2012. The last few weeks have seen multiple rockfalls at Yosemite National Park in California, one of which produced a fatality to a climber on the iconic vertical wall. Yesterday, another rockfall that was ten times bigger than the fatal one earlier in the month occurred that injured a park vi ...read more