With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun, and acrobatic flight patterns reaching speeds of nearly 35 miles per hour, dragonflies are some of the more glamorous ...

Great Smoky Mountains National Park was one of four parks in the eastern U.S. where the Dragonfly Mercury Project got its start. Easier to catch and cheaper to test than fish, dragonfly larvae can be ...

With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun, and acrobatic flight patterns reaching speeds of nearly 35 miles per hour, dragonflies are some of the more glamorous ...

One of the most accurate indicators of the health of the natural world is the ecosystem itself. For decades, scientists have studied certain species to learn about their habitats. This method is ...

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A new study has unveiled surprising findings about mercury pollution: where it comes from and how it moves through the environment vary significantly depending on the ecosystem. In drier regions, most ...

The project is part of a nationwide study that works with citizen scientists and community volunteers to collect dragonfly larvae for mercury analysis. Scientists analyze the larvae to understand how ...

A years-in-the-making model developed by the National Park Service and U.S. Geological Survey could offer a deeper look at mercury concentration levels on federal lands across the country — including ...

The map above shows sites where dragonfly larvae were collected for the Janssen et al. 2024 paper. Dragonfly larvae were collected at three types of sites including wetlands, lotic systems (flowing ...

Add Yahoo as a preferred source to see more of our stories on Google. With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun and acrobatic flight patterns reaching speeds of ...

New data shows that 80% of samples across 30 refuges revealed high mercury levels. A 5-year underwater larval cycle can reveal high mercury detection in wildlife refuges. More than 1,000 dragonfly ...

Public participants help collect dragonfly larvae and record field data. Park staff work to engage students, conservation corps, interns, and others in this hands-on research experience. A new study ...