If you walk through a forest and look down, you might think you're stepping on dead leaves, twigs and soil. In reality, ...

Depending on the efficiency of the plant or tree species, it may take as little as 200 pounds (24 gallons) of water to 1,000 pounds (120 gallons) to make a pound of dry matter.

Cancer is when abnormal cells divide in an uncontrolled way. Some cancers may eventually spread into other tissues. There are more than 200 different types of cancer. 1 in 2 people in the UK will get ...

Article Published: 30 June 1962 Toxic Effect of Urea on Plants: Damage to Plant Roots caused by Urea and Anhydrous Ammonia I. J. COOKE Nature 194, 1262–1263 (1962) Cite this article ...