Cost, impossible logistics, political opposition, and community resistance could spell the end of the president-elect's anti-immigrant scheme

On May 17 of this year, PBS Frontline broadcast a program titled, “The Secret History of Isis,” which it described as “the inside story of the radicals who became the leaders of ISIS." 

I always like to end the year with hope. This time last year, I wrote that 2015 had been such a banner year for us at 350.org that it seemed like we were “getting close to a sort of climate-action tipping point.”

Researchers have created a 3D bulk material from silk fibroin that can be programmed to activate specific tasks when exposed to conditions like temperature or infrared light. The material could be used to create everything from hormone-emitting orthopedics to surgical pins that change color when they near their mechanical limits.