Science and Technology

* Using Ocean Waves to Produce Cheap Electricity, Clean Water
* Graphene: The Amazing Material of the 21st Century
* European Space Agency to Make 3D Map of the Milky Way
* Scientists Prepare for Killer Asteroid
* Algae Fueling a Cleaner Road to the Future
* Over 200,000 Apply to Live (and Die) on Mars
* Scientists Renew Efforts to Look for Intelligent Alien Life
* The Weirdest 3D Printed Objects
* New Exoplanets Discovered, Long Space Missions
* Human Rights Watch Campaigns Against "Killer Robots"