9. The whole city is built on an advanced energy grid which monitors the output of every single switch and appliance.
The wind tunnel above (center) is fitted with LED lights designed to glow blue when residents are within their goal of using 50% less energy than a comparable settlement, and red when they are above their goal.
- BuzzFeed News has identified a second member of the ISIS execution cell led by "Jihadi John."
- U.S. Republican presidential candidates debated in New Hampshire ahead of Tuesday's primary, and Sen. Marco Rubio malfunctioned 🇺🇸
- Super Bowl 50 catch-up: The Denver Broncos upset the Carolina Panthers. And Beyoncé slayed her half-time show 🏈 👑