Like his medium, his method combines the old and the new: he draws with a traditional Japanese brush dipped in ink, but adds occasional colour on a Mac.

ECONOMIST: Japanese cartoons

Under this new method, embryos are placed in a culture medium containing amino acids two days after they have been fertilised.

BBC: Scientists claim IVF advance

Or when the technological limitations of the medium mean that there has to be a restriction and thus some method of who gets the prized access.

FORBES: Press TV and the Freedom of the Press