Researchers image roots in the ground

It's a familiar hazard of vacation time: While you're conspicuously absent, your colleagues in the office forget to water and fertilize the plants - often leaving behind nothing but a brownish skeleton. Whether a plant thrives ...

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.

Depth of plastic pollution in oceans revealed

Wind and waves can mix buoyant ocean plastics throughout the water column, but most of their mass remains at the sea surface, according to research led by The University of Western Australia.

The quest for inhabited habitable planets

Which came first: life or habitability? Although this question seems at first sight contradictory, a new paper by Colombian researchers is bringing to the attention of astrobiologists a classical conundrum: Is life also required ...

Drought affects the carbon cycle in Georgia blackwater rivers

(Phys.org) —Droughts might be affecting how Georgia's blackwater rivers process carbon, according to a new study led by an ecologist while he was at the University of Georgia. The results, which were published in the Journal ...

Ancient forests stabilized Earth's CO2 and climate

UK researchers have identified a biological mechanism that could explain how the Earth's atmospheric carbon dioxide and climate were stabilised over the past 24 million years. When CO2 levels became too low for plants to ...

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