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The hardy cockroach has inspired the design of this small compressible robot that's capable of squeezing into tight small spaces — like those created by the rubble following a building or tunnel collapse. Read more >>

By Alissa Walker on at

When you think of skyscrapers you probably think of pricey property — not leafy parks in the sky. A new 300-metre tower going up in New York provides a more interesting take: Hanging gardens that twirl down the exterior of the building. Read more >>