The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” ...

By Aislinn Sarnacki Have you ever noticed how much tree bark varies in texture, color and pattern? If your answer is “no,” I ...

Speaking of which, even in winter when most trees are bare, it's a lovely plant to view for other reasons. The buds and branches make a pleasant shape, but the bark is the true gem. It's made up ...