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The World’s Most Advanced Building Material Is… Wood

**Steel and concrete may rule skylines today, but a new building material is on the rise: wood. **By Clay Risen

Why Is Google Building A Robot Army?

What the Internet giant’s recent acquisitions mean for the future of robotics. By Erik Sofge

The Garbage Man

**Mike Biddle’s recycling method could mean we will never need to manufacture plastic again. If only he could get his hands on our trash. **By Paul Kvinta

Where Plastic Goes

**Find out where your empty bottles of soda end up. **By Paul Kvinta

The Car That Runs On Air

Automaker PSA Peugeot Citroën bets you can drive on a blast of compressed gas. By Matthew Jancer

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Why Is The Milky Way A Spiral? What Happens In Your Computer When You Turn It On?Can You Hypnotize An Animal?