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Our human species emerged in Africa around 300,000 years ago but scientists don't yet have a clear picture of what kind of ...
Our human species emerged in Africa around 300,000 years ago but scientists don't yet have a clear picture of what kind of natural environment we evolved in. Until recently, the dominant idea was that ...
Chinese scientists have discovered that fragile swamp forests in the Pearl River Delta (PRD) region suddenly collapsed ...
Arizona promises outdoorsy travelers endless adventure opportunities. One of those offerings features "sky islands" in an ...
California’s Channel Islands, often called North America’s Galapagos, are home to a stunning array of unique wildlife and ...