An average maturing tree under optimal conditions can transport up to 10,000 gallons of water only to capture about 1,000 usable gallons for the production of food and adding to its biomass.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

This collation of ballets from Rodgers and Hammerstein’s game-changing musicals is packed with treats, but still feels ...

A new study finds that to offset all the planet-warming carbon emissions from fossil fuel reserves, trees would have to entirely cover an area the size of North and Central America combined.

Offsetting the emissions of fossil fuel companies by planting trees is both economically and physically unfeasible, according to a new study from ESSEC Business School. The research found that it ...

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 ...

From social media ads to billboards, PowerPoint presentations to feature films, you're free to modify, resize and customize every asset on iStock — including all 4K Resolution images and footage — to ...