Not surprisingly, reports of the test-firing have reignited calls to ban 3-D-printed guns, which critics fear could easily fall into the wrong hands and create safety concerns because they'd be invisible to metal detectors.

CNN: Video shows test firing of 3-D-printed handgun

While municipal water utilities are required to provide public reports of test results, bottled-water makers are not. (On the other hand, well water, which is found in many rural areas, isn't regulated as water provided by towns and cities is.) So although you may fork over a pretty penny for bottled water, that doesn't mean it's any better than what's coming out of your faucet.

CNN: Is your bottled water safe?

Initial reports said the in-form ex-Australian Test star had suffered only bruising in the win over Newcastle.

BBC: Latham sidelined for four weeks

The start of presidential campaigning in South Korea comes amid reports that North Korea could carry out a long-range missile test in coming weeks.

BBC: South Korea poll campaign kicks off

Although heaters are minimized to conserve battery range, Consumer Reports rated a Volt test car at a paltry average 25 miles of electric-only running before the gasoline engine kicked in under cold Connecticut winter conditions.

FORBES: CBO Finds Electric Cars Not Smart: Toyota Pulls Plug On Its iQ

Nest also reports that in its Rush Hour Rewards test of 2, 000 Houstonians, only one-tenth of the experimenters felt too warm.

CNN: Nest's plan to stop brownouts before they start