News tagged with trees

Drought damage leads to widespread forest death

The 2000-2003 drought in the American southwest triggered a widespread die-off of forests around the region. A Carnegie-led team of scientists developed a new modeling tool to explain how and where trembling ...

dateMar 30, 2015 in Environment
shares38 comments 3

Reconstructing the tree of life

In 1837, Charles Darwin drew a tree of life, a primitive sketch suggesting that all organisms shared a common ancestry. Today, scientists still are trying to reconstruct these evolutionary branches, but using ...

dateMay 01, 2014 in Evolution
shares0 comments 10