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Scientists report that norepinephrine, a fundamental chemical for brain performance, is locally regulated in a brain region called the visual cortex.

Scientists have completed the sequences for the coast redwood and giant sequoia genomes. The research helps better explain the genetic basis for these species' ability to adapt to their changing environments. The findings indicate that the coast redwood genome evolved from a single ancestral species.

A new meta-analysis examines the ability of cannabis plants to absorb heavy metals and discusses the resulting health impacts on consumers.

Just days after a 2020 magnitude 5.1 earthquake in Tangshan, China, researchers turned nearly 8 kilometers of unused telecom fiber optic cable into a seismic array that detected dozens of aftershocks that were missed by permanent seismic stations.