Dragonflies, those colorful bugs zooming around like mini-helicopters, are more than just a spectacular sight. These iridescent predators may also be the best way to detect where and how mercury—a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Ecologists often rely on health data of fish and bird populations ...

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 ...

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 ...