The cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them ...

The U.S. Postal Service launched its Vibrant Leaves postcard stamps on March 17, 2025, celebrating the vivid hues of fall ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Several factors can determine the final leaf morphology, including the leaf complexity, size, shape, and margin type, which suggests that leaf morphogenesis is a complex regulation network. The ...

Chl a and Chl b absorb sunlight at different wavelengths (Chl a mainly absorbs red-orange light and Chl b mainly absorbs blue-purple light), leading to the assumption that the total amount leaf ...