Just when you think you’ve seen them all, someone comes up with something new and unusual, like the concentric rings of this automated perpetual calendar. What we really like about the design ...
A newly discovered galaxy is challenging what scientists thought they knew about galactic collisions. Located 567 million ...
A repeat brain MRI scan performed approximately 2 weeks after the onset of symptoms revealed few changes in the right periventricular lesion, with concentric rings ... where a thin rim of ...