CHICAGO (CBS) -- The periodical cicada broods are coming – and while harmless, they're famously quite noisy and loud. The noise will be hard to miss. But it won't all even be the same noise – as there ...

I have a Dell Optiplex 980 on my desk at work. It outputs a high-pitched whine from the speaker-out. It's not that loud, but naturally it gets amplified when I turn up the volume on my amp. It's most ...

Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...