A Big Bang, i.e. a gigantic silent explosion occurred 13.5 billion years ago, with an unsustainable intensity of light and heat thrown in all directions. Light traveled during billions of years and ……続きを見る
In 1961, while mapping rock exposures along the Colville River in Alaska, an oil company geologist would unknowingly find the evidence for a startling discovery. Long before the North Slope of Alask……続きを見る
Ecology studies biodiversity in its variety and complexity. It describes how species distribute and perform in response to environmental changes. Ecological processes and structures are highly compl……続きを見る
