Dec 22nd, 2004 · Along Peru's coast, archeologists find the ruins of some 20 communities clustered along three rivers. Some date back 5,000 years. People there grew crops and built huge stone monuments that predate the Egyptian pyramids. It's believed to be the oldest complex culture in the Americas. NPR's Christopher Joyce reports.
Keywords: Egyptian · culture · Crops · communities · America · River · Exploring · ancient · predators · Archeologists · Christopher Joyce · clustered
Oct 7th, 2004 · The earliest-known ancestor of Tyrannosaurus rex -- the prehistoric world's most famous predator -- sported short "protofeathers," scientists report in the latest issue of the journal Nature. NPR's Christopher Joyce reports.
Keywords: world · naturalized · Scientists · Journal · sporting · famous · prehistoric · Rex · predators · ancestors · Christopher Joyce · Feathers
