A tree with a spiral trunk is growing in a city. - Wulingyun/Getty Images While it is one thing to see a bonsai or other trained tree growing in a spiral, it is far more surprising when you find a ...

The genetics behind spiral growth patterns is an area of active study, with recent research uncovering differences in the ...

STATEN ISLAND, N.Y. -- Have you ever noticed an abnormal growth on the trunk of a tree that looked rather tumorous -- all bumpy and wart-like? Examples can be seen on random trees just about anywhere.

Strolling on snowshoes around the Lower Loop at Eaglecrest one gray, damp day, we found, as expected, that conditions for reading animal tracks were bad on the rain-packed snow. So we counted trees ...