Monday, August 20, 2012 National - News & Opinion - BostonHerald.com: NASA rover flexes arm for first time on Mars National - News & Opinion - BostonHerald.com The Boston Herald online: The closest distance between you and the news NASA rover flexes arm for first time on Mars Aug 21st 2012, 01:43 LA CANADA FLINTRIDGE, Calif. - NASA's Mars rover has taken another small step for robot-kind. Engineers at NASA's... You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet