We've all experimented with sleep at some time or another. Here at Lifehacker we're straight up expert in experimentation (even when it doesn't turn out quite as planned). There are a few sleep experiments that even we wouldn't touch - though we're glad someone did.

There's no magic force field that holds back germs while you shout "five-second rule!" and scoop up your dropped cured meat. Duh, right? Here's how you can prove it.

Until seeing this video, from YouTuber Cody'sLab, I never realised just how badly I want to try and stand on liquid mercury.

Mice are commonly used in diet- and disease-related research because they share a majority of their genes with us and are small and inexpensive. But there are plenty of subtle confounding factors in the mice themselves that, if not accounted and properly controlled for, can really muddy experimental results.

Improvement is all about experimentation, whether it's in the realm of productivity, personal finance, health, or anything else. Even if you ultimately fail, you'll probably have learned something.