This type of design is in fact also relevant to other fields of biomedical research in general, in which split- body studies allocate the interventions to separate parts of the body of each participant.
Assuming that genes evolve along trees in which splits are caused by either speciation or gene duplication, note that between any two species, orthologous genes start diverging after all out-paralogous genes (i.e., after all paralogous genes that span across the two species in question).
The 1952 revolution in Egypt belatedly inspired the 1962 revolution in Yemen, which split our nation in half for nearly three decades.
Spain is looking for its fourth title in five years; the Czechs' only victory came in 1980 as Czechoslovakia, which split in 1993.
Tower Records in Japan, which split from the U.S. company about 10 years ago, continues to operate.
Two other frozen conflicts are in Transdniestria, which split from Moldova, and Nagorno-Karabakh (see article).
And JDS Uniphase is ahead in multiplexers, which split signals into different wavelengths, enabling fibers to carry far more data.
Shares in CBS, which split from Viacom last year, have dropped 5.8% this year and traded at $29.86 midday Wednesday, up 41 cents, or 1.4%.
Comparison of findings in birds, which split from the mammalian lineage about 310 million years ago, with those in mammals provides additional analytical power.
Canadian nationalism runs strong in the union, which split acrimoniously from the United Automobile Workers in 1985.
