If someone is willing to work for the same package in Bratislava as in Ljubljana, suggests Mercer's Ms Sonsino, it is likely that in future they will move between continents "without a premium .Perhaps the ultimate sign of a harsher environment is an increase in the number of people who finish a tour of duty abroad only to discover that they have no job to return to back at home.
These animals, the most abundant tetrapods during the Permian, moved between continents that are now separate, but were attached at the time, a part of the supercontinent Gondwana.
Antarctica had long been thought to be a migratory path for marsupials moving between southern continents in early Cenozoic time.
International comparisons of cancer incidence and changes in incidence in migrants moving between different continents, indicates large dietary influences on epithelial cancer incidence (World Cancer Research Fund, 1997).
I thought I would never get sick of traveling, but when you are moving between countries and continents as much as I have (which is another surprise in itself), you start to appreciate being stationary.
Humans conduct the largest ecological experiment ever by continually moving species between continents.
Intelligent men might explain that wars were no longer worth fighting and borders obsolete; a sophisticated, cosmopolitan elite -- like the U.S.-educated technocrats who ran Mexico until they were overthrown in 1911 -- might move freely between continents; but the political foundations for a global economy were never properly laid, and at the first serious shock the structure collapsed.
Consequently, we predict an unusually weak correlation between geographic and genetic (mtDNA) divergence in P. xylostella because recent human activity has moved moths between continents.
Longrich has proposed that the horned dinosaurs likely migrated from one part of North America to the other, diverging to form new species -- and only competition between the species prevented the dinosaurs from moving between the northern and southern regions of the continent.
Moving between countries?
