New, highly tunable composite materials—with a twist

Watch for the patterns created as the circles move across each other. Those patterns, created by two sets of lines offset from each other, are called moiré (pronounced mwar-AY) effects. As optical illusions, moiré patterns ...

Chemists' HAT trick for greener chemical synthesis

Creating new chemical compounds, such as new drugs, is not as simple as assembling one of those models with colored balls and sticks you might have seen in a beginning chemistry class. No, it's often a complex process with ...

Spatial distribution of anti-Asian hate tweets during COVID-19

In January of 2020, SARS-CoV-2 reached the United States. With it came an even faster-spreading virus—xenophobic rhetoric referring to the pandemic's epicenter in Wuhan, China. Politicians flooded news outlets and social ...

What we're still learning about how trees grow

What will happen to the world's forests in a warming world? Will increased atmospheric carbon dioxide help trees grow? Or will extremes in temperature and precipitation hold growth back? That all depends on whether tree growth ...

Climate change increases risks of tree death

Planting a tree seems like a generally good thing to do for the environment. Trees, after all, take in carbon dioxide, offsetting some of the emissions that contribute to climate change.

Campaign reduces car idling at two elementary schools

An anti-idling campaign at two Salt Lake County elementary schools was effective in reducing idling time by 38%, and an air monitoring experiment found that air quality around schools can vary over short distances. These ...

Some mammals shift their schedules in urban environments

When visiting cities, coyotes seem to prefer the nightlife while deer and squirrels would rather be home before dark. That's the finding of new research from University of Utah ("the U") scientists who found that mammals ...

How to assess a community's resilience

For ranching communities on the east side of the Baja California Peninsula, groundwater springs are their primary source of freshwater. The economic livelihoods of roughly 4,000 people, who call themselves Choyeros, are closely ...

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