CLEVELAND HEIGHTS, Ohio – UPDATE: CHUH spokesperson Angee Shaker says the principal announced there was not a real safety concern but many did not…

via BBC News Nasa’s Curiosity Mars rover has finally drilled deep enough into a rock to acquire a powdered sample for analysis. The fine grey material from the 6cm-hole will be sieved and inspected before being delivered to the robot’s onboard labs in the coming days. It will represent a historic first in planetary exploration […]