21.  Their large eyes rival human ones in complexity, while those of the giant squid are sometimes bigger than a dinner plate.

22.  Then the transgenic and knockout mice were bred, eventually producing offspring that had all their mouse hemoglobin genes replaced by the mutant human ones.

23.  With stories like that, Singh gives cryptography not only its historical dimension but its human one.

24.  He says a Germ Genome Project would do more to explain major illnesses than the lavishly praised human one.

25.  In fact, its set of genes appears highly similar to the human one.

26.  In many ways, pig organs are likely to be safer than human ones.

27.  The gene, which he called Beacon, cranks up the appetite and the rat version is identical to the human one.

28.  A new study casts doubt on the widely held theory of the transmission of mad cow disease from the bovine illness to a human one.