Is that hummingbird watching you? Maybe. Check out these 11 robotic animals including surveillance birds, cargo-carrying mules and pollution-sniffing fish.

All it takes to turn an ordinary disposable plastic bottle into a simple, surprisingly durable birdhouse is heating it and molding it into shape.

The LS3 is a headless robotic mule that can reduce the load on soldiers in the field, carrying 400 pounds of gear and following voice commands.

Recently discovered species of lichen, fish, spiders and even an extinct lizard have all been named for America's 44th president, Barack Obama.

Gardens sprout up in the most unexpected places, including flyer boxes, urinals, computers, coat pockets and inside cathedrals.

This terracotta backyard beekeeping set includes a functional shelf and a transparent receptacle for the honeycomb.