Jan. 30 (UPI) --As trees get taller and heavier, sprouting branches in various directions, they must augment their support structure -- their trunk -- to maintain stability. Until now, scientists ...

Birch trees adjust their stem thickness to support their weight. Trees are known for their great, but not unlimited, trunk height and diameter. They have evolved to develop a heavy above-ground ...

Question: Good afternoon, Carol. Here is a photo of some sort of fungi growing on one of our three mature birch trees in the front yard. I have not been able to identify it via the internet, so am ...