In all the fuss about Curiosity, the new kid on the Martian block, it's been easy to forget about the Opportunity rover, and the work it has been doing for eight long years. Well, it seems Opportunity has made an interesting discovery worth looking at — small, round spherules which scientists are calling "blueberries."
Thank you for your loyal readership! And look for our sister site, Blastr, To start reporting more on the world of innovative technology, science and design. Go to Blastr.com now