In A Nutshell Penn State scientists captured the first direct evidence of trees producing faint electrical glows, called coronae, during live thunderstorms. The discharges hop erratically from leaf to ...

For nearly a century, scientists have been searching for direct evidence of dark matter—one of the key missing pieces of our theoretical understanding of the universe. While we have glimpsed the ...

A newly detected X-ray transient may reveal the first direct evidence of an intermediate-mass black hole consuming a white dwarf. A newly observed cosmic outburst is giving astronomers a rare glimpse ...

Researchers have combined physics and biology in a study that provides the first direct evidence explaining why we sleep. Viewing the brain like a biological computer whose resources are drained ...

A new analysis of data from the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) reveals fresh evidence that collisions of even very small nuclei with large ones might create tiny ...

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A: Circumstantial evidence does not directly prove an element of the alleged misconduct, but provides information from which the trier of fact may draw reasonable inferences to reach a conclusion, or ...