Caribbean frog populations started with single, ancient voyage on South American raft
... ... "This discovery is surprising because no previous theories of how the frogs arrived had predicted a si...Caribbean frogs started with a single, ancient voyage on a raft from South America
Nearly all of the 162 land-breeding frog species on Caribbean islands, including the coqui frogs of Puerto Rico, originated from a single frog species that rafted on a sea voyage from South America about 30-to-50-million years ago, according to DNA-sequence analyses led by a research group at Penn State, which will be published in the 12 June 2007 issue of the Proceedings of the National Academy...Smithsonian study concludes Caribbean extinctions occurred 2M years after apparent cause
Smithsonian scientists and colleagues report a new study that may shake up the way paleontologists think about how environmental change shapes life on Earth. The researchers summarized the environmental, ecological and evolutionary consequences for Caribbean shallow-water marine communities when the Isthmus of Panama was formed. They concluded that extinctions resulting when one ocean became two...Special Science issue examines HIV/AIDS in Latin America and the Caribbean
... Over the course of nine months, Cohen traveled to 12 countries in Mexico, Central and South America, and the Caribbean, visiting clinics, brothels, laboratories, shooting galleries, ministries of health, gay sex...