Various forms of mercury are released naturally by volcanoes and weathering of rocks and soil. Human activities, such as mining or burning fossil fuels, can also release the element into the ...

Dragonfly larvae sampled from Cape Cod and Minuteman National Historical Park recently helped tell a much bigger story about mercury pollution in the U.S. A national study published this week in the ...

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 ...

(a) Number of observation records per 500-m elevational band. (b) Number of genera and the number of their observation records in the database. (c) Cumulative number of observation records of each ...

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 ...

The Lockport Prairie Nature Preserve provides a summer home for a small group of an endangered species of dragonflies born and raised in a biology lab in South Dakota. A team of ecologists with the ...

This is a preview. Log in through your library . Abstract Cannibalism is likely to operate as a form of population control in dragonfly larvae. I performed aquarium experiments to investigate the ...

This is a preview. Log in through your library . Abstract Acidified bog ponds were the only previously reported habitat of larvae of the dragonfly Leucorrhinia dubia (Van der Lind.) (Odonata: ...

Mosquitoes ruin everything. You step outside on a summer evening and all you end up doing is swatting, running around putting mosquito repellent patches on your kids, or finally just heading back in.