Children's toys can also serve as home to dust mites, so if they're not machine-washable, put them in bags in the freezer for five hours at a time to kill the invisible bugs.

CNN: Meet the critters inside your mattress

The Toshiba has 128 GB of storage, and in my laptop battery test, it turned in a mediocre time of four hours and two minutes, which likely would approach five hours in normal use.

WSJ: The Convertible PCs

In the past five years Chrysler has knocked eight hours off the time it takes to assemble a vehicle, according to productivity experts Harbour Consultants.

FORBES: Saving Chrysler

If 20 people are in attendance, that means that cumulatively you will have wasted five hours of time that could have been spent on something productive.

WSJ: Donald Rumsfeld's Rules for Successful Meetings

It started in 2010 and was granted a total of 1929 hours of observing time over a five-year period.

ENGADGET: 9-gigapixel image of the Milky Way reminds us just how small we truly are

Two months later, when the young woman was visiting New Delhi from her college in Dehradun, about five hours' drive away, he went to meet her for the first time at the bus station.

WSJ: India Rape Victim's Friend Describes Their Love Story

But in four or five years time my situation may have changed and I may not want to work those hours.

BBC: NEWS | Health | New women doctors 'outnumber men'

Brown, who was Rihanna's boyfriend at the time, was sentenced to 180 hours community service and five years probation after admitting the attack in February 2009.

BBC: Rihanna