The Web  & Other Stuff  Flu Attack! How A Virus Invades Your
Body  , ,  by Robert Krulwich    David Bolinsky and his team at
XVIVO designed this animation for a research company called
Zirus (and we thank Zirus for letting us play with their
pictures). Bolinsky says what you see in the video actually
happens much, much faster in real life — in a fraction of a
fraction of a second. So this is a very slow motion version of
cellular activity.  And for those of you who were wondering,
yes, the designers did add color. Proteins, DNA, organelles, and
the teeny things inside a human cell are so small, and the
insides of cells are so dark, that for all practical purposes,
they are colorless.  So the copying molecule isn't really pink.
But once you decide to colorize, pink is just as accurate as
maroon or yellow.  One Last Thing  In our video we ask, if a flu
virus inside your body can multiply by the millions within
seconds, why don't we topple over and die quickly?  Here's a
better, longer answer than the one in the