z world

“There’s frustration, and we need to break that paradigm,” he said in an interview. “We need to go through these cycles of advancement, just like SpaceX has with their rockets. They don’t keep sitting in the lab designing and designing. They take their rocket out and test it.”

The Washington Monument and the Reflecting Pool are visible behind Claudia Marusanici, visiting from Romania, as she makes her way towards the Lincoln Memorial on the National Mall in Thursday, March 5, 2015, in the falling snow. The U.S. federal government said its offices in the Washington area will be closed Thursday because of a new round of winter weather expected in the region. The Office of Personnel Management said non-emergency personnel in and around Washington were granted excused absences for the day. Emergency employees and telework-ready employees were expected to work. (AP Photo/Andrew Harnik)

“The snow is bad enough, the snow and the frigid temperatures. That’s enough to deal with, but this is so absolutely frustrating, it’s unbelievable,” Edwards said Thursday, when another winter storm dumped snow from Kentucky to the New York City area. Amid the driving snow, a plane skidded off a runway and crashed through a fence at LaGuardia Airport.

The “microbeads” turn up in face scrubs, acne treatments and toothpaste. The particles are too fine to be caught in wastewater treatment plants, and the plastic bits can pollute lakes and rivers.

In this Thursday, Jan. 29, 2015 photo, Afghan refugees and internally displaced Pakistani children from tribal areas gather in a mosque which is under construction to attend madrassa, or Islamic school, on the outskirts of Islamabad, Pakistan. There’s no exact number of madrassas in Pakistan but estimates put the number in the tens of thousands. They provide food, housing and a religious education to students from around the country. Many teach both male and female students.(AP Photo/Muhammed Muheisen)

“It is true that madrassas are not the sole source of militancy and religious extremism in the country, but they certainly are the main source,” Pakistani security analyst Zahid Hussain wrote in the English-language Dawn newspaper.