Mercury is a toxic element that can adversely impact human and wildlife health. And while it can be found as an introduced pollutant in the environment, it can also occur naturally. Mercury enters the ...

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 ...

Mercury wreaks havoc in freshwater ecosystems, but monitoring the risk to wildlife can be challenging. Researchers have now shown how dragonfly larvae act as biosentinels for toxic mercury. When ...

In this video, I built an 8-gallon outdoor aquarium-pond teeming with life. It features native plants, Gammarus, copepods, ...

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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 ...

The way dragonfly larvae control the water jets they use to move and breathe could have a range of engineering and medical applications, according to new research. The larvae have active tri-leaflet ...

Dragonflies are nature's efficient hunters, consuming many mosquitoes daily. These insects also prey on mosquito larvae, ...

Stress can kill on a dramatic scale, according to a new study of immature dragonflies forced to live next to scary predators. In a newly published study, dragonfly larvae living within sight and smell ...