NASA's Mars 2020 will blaze a trail for humans

When a female astronaut first sets foot on the moon in 2024, the historic moment will represent a step toward another NASA first: eventually putting humans on Mars. NASA's latest robotic mission to the Red Planet, Mars 2020, ...

Intelligent cities can address the roots of urban challenges

The term "smart city" has gained in popularity, but the label still conjures the use the technologies to solve operational problems. Rather, cities are complex and need intelligent, transformative and engaged efforts.

Image: BioRock and roll

This fluorescent work of art captures the beauty of biofilms, or the growth of microbes on rocks. In this microscopic image, Sphingomonas desiccabilis is growing on basalt.

Renewable energy generation with kites and drones

Airborne Wind Energy Systems (AWES) are a new kind of technology to harvest wind energy. The expensive and heavy tower and rotor of a conventional wind turbine are replaced by a light tether and an aircraft (flexible giant ...

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