It's a constant, gradual effect, and your link just shows us what it's like sped up.
Like David Attenborough's series about them plants.
(
Sea Tramp the thinking woman's 8 Ace,
Mon 3 Nov 2008, 3:20,
archived)
those bastard plants, they'll kill us all.
slow motion plantocalypse.
(
postbear has metal knees,
Mon 3 Nov 2008, 3:24,
archived)