Screening truffles for radioactivity 30 years from Chernobyl

Some forest mushrooms, such as wild porcini, can accumulate dangerous levels of radioactivity from the soils they grow in. But until now it was unclear if the same was true for truffles, fungi that range among the most expensive ...

Study reveals climate change impacts on Buzzards Bay

An analysis of long-term, water quality monitoring data reveals that climate change is already having an impact on ecosystems in the coastal waters of Buzzards Bay, Mass. The impacts relate to how nitrogen pollution affects ...

Tiny phytoplankton have big influence on climate change

As nations across the globe negotiate how to reduce their contributions to climate change, researchers at Penn are investigating just how the coming changes will impact the planet. What's clear is that the effect extends ...

Fast-moving rivers 'breathe' like humans

Scientists have discovered a surprising similarity between rivers and humans: both release more carbon dioxide when they work hard.

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