High resolution macro of Wasp found in Greece

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Manioc Rocks

A Nigerian manioc farmer with roots from one plant. The leaves (behind her) are used in popular dishes. Most Americans are familiar with the prepared ...
A Doberman dog

Come, Sit, Stay. Domestication of Animals

It is hard to imagine our lives without domesticated animals. We have our partners who share our homes, such as dogs and cats, and then ...

Who put the Smile in Smilax?

First published June 14, 2021 by Carnegie Museum of Natural History. The genus Smilax is one of our most common woodland plants. Known as greenbriar, sweetbriar, or catbriar, ...

Precision, Accuracy, and a Challenge to Science

Scientists describe, measure, and compare. With improved technology we have increasingly precise measurements. But, sometimes precision and accuracy are not the same thing. Consider the ...

Clean Water, Good Bugs

Scientists characterize terrestrial and aquatic ecosystems quite differently, and even use opposite criteria to define ecosystem health. For a terrestrial system, productivity (lots of nutrients ...

When Poison Meets Palate

Many of our vegetable crops come from plant families that are famously toxic. Among our most familiar foods are the popular varieties of tomatoes, potatoes, ...

Legacy of Logging

Forests can tell us their history if we know how to read them. Trees can tell us a forest was logged long after the wood ...

Bark Art

First published March 14, 2017. While splitting some wood, we were pleasantly surprised to find evidence of the Hickory Bark Beetle, Scolytus quadrispinosus, whose larvae ...

A Striking Success

First published October 24, 2018 by Carnegie Museum of  Natural History. A particular point of pride of our bird research is the BirdSafe Pittsburgh program. A consortium of environmental ...