<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/uoSnbeZU_78&hl=en"></param><embed src="http://www.youtube.com/v/uoSnbeZU_78&hl=en" type="application/x-shockwave-flash" width="425" height="344"></embed></object> I just thought when I saw this that you guys needed to see it too. its a amazing thing people
I think the up and down is from when they take in water, the leaves get heavier, you could say it is like breathing because that is how they get alot of there oxygen.