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Study: Warming Could Slow Upslope Migration of Trees

December 15th, 2016

Scientists expect trees will advance upslope as global temperatures increase, shifting the tree line—the mountain zone where trees become smaller and eventually stop growing—to higher elevations. But new research suggests this may not hold true for two subalpine tree species of western North America.

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Scientists Measure Pulse of CO2 Emissions During Spring Thaw in the Arctic

December 14th, 2016

Scientists at Lawrence Berkeley National Laboratory documented a spring pulse in northern Alaska in 2014 that included CO2 emissions equivalent to 46 percent of the net CO2 that is absorbed in the summer months and methane emissions that added 6 percent to summer fluxes. What’s more, recent climate trends may make such emissions more frequent, the scientists conclude.

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Laser R&D Focuses on Next-Gen Particle Collider

December 13th, 2016

A set of new laser systems and proposed upgrades at Berkeley Lab’s BELLA Center will propel long-term plans for a more compact and affordable ultrahigh-energy particle collider.

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Glowing Crystals Can Detect, Cleanse Contaminated Drinking Water

November 29th, 2016

Motivated by public hazards associated with contaminated sources of drinking water, a team of scientists has successfully developed and tested tiny, glowing crystals that can detect and trap heavy-metal toxins like mercury and lead.

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Genes, Early Environment Sculpt the Gut Microbiome

November 28th, 2016

Scientists from Berkeley Lab and PNNL have found that genes and early environment play big roles in shaping the gut microbiome. The microbes retained a clear “signature” formed where the mice were first raised, and the characteristics carried over to the next generation. The findings could potentially be used to develop designer diets optimized to an individual’s microbiome.

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Scientists Trace ‘Poisoning’ in Chemical Reactions to the Atomic Scale

November 23rd, 2016

A combination of experiments, including X-ray studies at Berkeley Lab, revealed new details about pesky deposits that can stop chemical reactions vital to fuel production and other processes.