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One brainy parrot’s last words
Over 30 years, Pepperberg taught Alex not just words, but how to count, recognize shapes and colors. Read the brainy parrot's last words.
September 11, 2007
Extreme summer warming with Barry Lynn
A recent study suggests that, by the 2080s, extreme summer warming in cities such as Chicago and Atlanta could hover above 100 degrees Fahrenheit. Read more.
September 2, 2007
Why global warming has left me dumbfounded
I've watched the global warming story unfold throughout my 30-year career in science journalism. For decades, scientists tried to be careful and conservative about this issue. Too careful and too conservative, I see now.
April 6, 2007
Don’t count on forests to keep us cool
Don't count on forests to keep us cool. Learn more about how trees in the far northern forests have been growing more slowly in the summertime.
June 24, 2006
Ancient climate change made plants shift range
Ancient climate change made plants shift range. Read more about the research with Jonathan Bloch of the University of Florida Museum of Natural History.
January 20, 2006
