Originally published on Fri September 27, 2013 2:03 pm
From vacant lots to vertical "pinkhouses," urban farmers are scouring cities for spaces to grow food. But their options vary widely from place to place.
While farmers in post-industrial cities like Detroit and Cleveland are claiming unused land for cultivation, in New York and Chicago, land comes at a high premium. That's why farmers there are increasingly eyeing spaces that they might not have to wrestle from developers: rooftops that are already green.
There has been a lot of extreme weather in the Northern Hemisphere this year, including the recent torrential rains in Colorado, flooding in Europe, bitter cold in Florida and a heat wave in Alaska. And scientists say all of it is related to some odd behavior by the powerful air currents called the polar jet stream.
Here's another example of tech helping people. In this case, people who struggle with dyslexia. For some, the act of reading a book can be dispiriting. Just ask Matthew Schneps, he directs the Laboratory for Visual Learning at the Harvard-Smithsonian Center for Astrophysics.
MATTHEW SCHNEPS: I'll open the book and I'll start reading it. And then I'll very quickly realize, you know, I'm never going to get through this thing, and I just give up.
SIEGEL: But when Schneps reads on a small handheld device, like a smartphone...
A large earthquake shook a remote part of central Pakistan Tuesday, and so far local authorities have only reported a few dozen fatalities so far. But according to estimates by the U.S. Geological Survey, the death toll could be far higher. The quake also gave rise to a mysterious island off the coast of Pakistan. The island was likely created by frozen methane that was shaken loose by the shaking. It pushed its way to the surface and created a muddy piece of land that will soon be washed away.