1. Robotic gear for the home (GeekSugar)
2. 5 medical innovations of the Civil War (Mental Floss)
3. When rainbows embrace metropolises (Environmental Graffiti)
4. Scar is scarier than Bane, right? (HyperVocal)
5. Is NBC botching its coverage of the London Olympics? (The Week)
6. The best GIFs from the Olympics’ opening weekend (The Daily Dot)
7. 17 more images you won’t believe aren’t Photoshopped (Cracked)

(title pic via Daily Picks and Flicks)