Leaf gas exchange, water potential, and specific leaf area of two tropical semi-deciduous tree species, Brosimum lactescens S. Moore and Tovomita schomburgkii Planch & Triana, were quantified to ...

Browse 28,800+ oak leaf stock illustrations and vector graphics available royalty-free, or search for oak tree or acorn to find more great stock images and vector art.

Obstructive sleep apnea (OSA) is a common disease that affects a large number of people around the world. It could be prevented if diagnosed early, but many cases go undetected due to the cost and ...

Quick Facts Beech leaf disease (BLD) is a new disease to the United States; scientists have been working quickly to understand its pathogenesis and test treatment options to mitigate or control damage ...