For example, the same rules that apply to keeping bridges from falling down also nicely explain what happens when you're leaning back in your chair, trying to maintain balance. Practical ...

Though Fat Joe is still telling us to "Lean Back" (or is he? that song is so 2004), 7,000 British students fall off their chairs and end up in the hospital each year by leaning back a bit too far.

This student was frustrated with a guy in her class who kept rocking his chair back during French class ... French classes happened in a very small classroom. All the table were aligned in ...

Mr Wates, 34, said it is physically impossible to swing the chair backwards more than a few centimetres. "The reason I went into it was because of the irritation of children leaning back," said Mr ...