(Phys.org) —NASA's Mars rover Curiosity has used the drill on its robotic arm to collect a powdered sample from the interior of a rock called "Cumberland."

Space & Earth - Space Exploration

May 20, 2013 5 / 5 (6) 0 |

Future teams of subterranean search and rescue robots may owe their success to the lowly fire ant, a much-despised insect whose painful bites and extensive networks of underground tunnels are all-too-familiar ...

Biology - Plants & Animals

May 20, 2013 4 / 5 (5) 1 |