Images: Photographic marvels in a petri dish

This 10x image shows a soybean leaf infected with Phakopsora pachyrhizi. Better known as Soybean Rust, the fungus has overtaken soybean crops in Australia and Asia in the past and has more recently affected soybean farms in the Southeastern and Midwestern United States. The image was submitted by Torri Hancock, with the U.S. Department of Agriculture's Agricultural Research Service.

Photo by Torri Hancock/Nikon

Caption by Jennifer Guevin