I know people complain that it's nothing but porn and stupid cat videos, but this internet thing has the potential to save lives. This week alone, we have learnt not to eat live cockroaches nor to drink liquid nitrogen.
If I might be allowed to add my tuppence-worth, it is also a very bad idea to run with scissors—especially outside in the snow and ice. A timely warning, I'm sure you'll agree, as winter draws on.
These things need saying, apparently.