CHICAGO (CBS) -- A team of scientists from the Field Museum of Natural History has just returned from one of the remotest places on earth. The scientists spent weeks exploring the far reaches of the ...
When we arrive at the first site in the Madeira River, researchers from Amazonas State University (UEA) and Harvard position ...
The original species of Astronotus ocellatus is native to the Amazon River basin, the Paraguay River ... are timid when ...