Evaluating environmental predictors of western U.S. wildfires

As the western United States becomes hotter and drier, wildfires in the region are becoming more frequent and severe. In addition to causing acute, local impacts on people and property, the fires can adversely affect the ...

Quantum causal loops

Normally, causal influence is assumed to go only one way—from cause to effect—and never back from the effect to the cause—the ringing of a bell does not cause the pressing of the button that triggered it. Now, researchers ...

Temperature, humidity, wind predict second wave of pandemic

The 'second wave' of the coronavirus pandemic has resulted in much blame placed on a lack of appropriate safety measures. However, due to the impacts of weather, research suggests two outbreaks per year during a pandemic ...

Could we harness energy from black holes?

A remarkable prediction of Einstein's theory of general relativity—the theory that connects space, time, and gravity—is that rotating black holes have enormous amounts of energy available to be tapped.

Combustion-derived water vapor may worsen winter air quality

Water vapor is an important medium for the wet growth of particulate matter. The increase of water vapor content will accelerate the liquid-phase oxidation of primary pollutants, promoting the generation of new particles ...

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