David Grandison Fairchild was an American botanist and plant explorer. Fairchild was responsible for the introduction of more than 200,000 exotic plants and varieties of established crops into the United States, including soybeans, pistachi...

Yellowstone National Park is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March...

Sir David Frederick Attenborough is an English broadcaster and naturalist. His career as the face and voice of natural history programmes has endured for 60 years. He is best known for writing and presenting the nine Life series, in conjunc...