The clever people at MIT have come up with rather excellent video of DNA transcription utilising one of the greatest inventions of the last 100 years: the humble Lego brick.
Another video along similar lines has been made for translation.
Of course, one Lego-based science video is never enough. Below the fold are some more internet Lego-science hits.
[Thanks to Mike for pointing us to this.]
LEGO Turing Machine
The Laws of Sir Isaac Newton