Animals focus smell as well as vision

Animals can focus their sense of smell in much the same way as humans focus their eyes, helping them detect predators and search out food.

Lytro camera lets the viewer choose the focus

Silicon Valley start-up Lytro has launched a revolutionary camera that could make blurry pictures a thing of the past.

Facebook blamed for teens lack of focus

Teenagers are usually the first demographic to embrace and integrate new technology into the patchwork of daily life. 

Video camera promises perfect focus everywhere

A new video camera is under development that's claimed to be able to focus on both near-field and distant objects simultaneously.