Forest fertilization with paper mill residues

Research at Karlstad University shows that sludge and ashes as paper mill residues can be used as effective fertilizer. This involves biochar, that is, carbon from organic material returned to the forest and thus closing ...

Electrifying insights into how bodies form

At first glance, Mike Levin's lab looks like any standard biology lab with its shelves of petri dishes containing small, brown, semitransparent flatworms called planaria, one of the organisms his lab studies. Look more closely ...

Unexpected culprit—wetlands as source of methane

Wetlands are an important part of the Earth's natural water management system. The complex system of plants, soil, and aquatic life serves as a reservoir that captures and cleans water. However, as cities have expanded, many ...

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