A US-led, National Geographic Society expedition says it has confirmed the location for the exact source of the Amazon River. The source lies on a 5,597 meter high peak called Nevado Mismi in the Peruvian Andes. The National Geographic team had established Mismi as the river's source in 1971, but in recent years the possibility had been raised that the actual source was at another mountain....
This Web site contains an online companion from the NATURE documentary The Living Edens: The Lost World, which aired on PBS. The program explored the ancient tepuis of Venezuela, a remote, little-explored pocket of the world "hailed as the land that time forgot." Web visitors can do a little exploring themselves with a number of multimedia features, including a great photo essay, a video clip from...
As part of Knowledge Matters' useful Online Literature Library, interested viewers may now access the full text of Charles Darwin's work The Voyage of the Beagle. From St. Jago and the Cape de Verd Islands to Mauritius and back to England, Darwin describes the voyage (and his thoughts on evolution) herein. The text is reproduced in full, and includes hyperlinked references and footnotes. Students...