Physics:Newton's Apple（35）
On this episode of Newton's Apple， we shall find answers to the questions: First， David Mitchell from Massachusetts asked， "How do mammoths become extinct at the end of last Ice Age? Second， back in the late 1980s， when our growing awareness of global warming was on front page， Newton's Apple first take a look at how greenhouse effect works. Just a minute we will revisit that segment and then ＵＰＤＡＴＥ new insights into global climate change.
- Added：2006
- Country：America
- Duration：35
- Time of update：2011/8/16 10:54:30