Sicily's Mount Etna early this week, as seen from space. The bright red is lava. Snow is blue-green. Clouds are white. "Shortwave infrared, near infrared, and green light" combine to produce the colors.
Frustration over a change in federal copyright policy that makes it illegal to unlock new cellphones has resulted in more than 100,000 signatures on a petition at the White House's website, meaning the executive branch must now respond to calls to rescind the ruling or "champion a bill that makes unlocking permanently legal."