Diamonds need an electric zap to crystallize deep inside Earth

Before diamonds can begin growing deep underground in Earth’s mantle, they need a little zap from an electric field, a new study finds.

In lab-based experiments, scientists mimicked conditions in the mantle — the layer just beneath Earth’s crust — and found that diamonds grew only when exposed to an electric field, even a weak one of about 1 volt, according to the study, which was published online Jan. 20 in the journal Science Advances.

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New program at Colorado College aims to recruit more Black teachers to the state's classrooms

Mon Feb 8 , 2021
Isabella Hageman never had a Black teacher — someone who looked like her — in her entire K-12 schooling in South Dakota. The 19-year-old college freshman wants to change that reality for Black students in Colorado where most teachers are disproportionately white compared to their students. “I want to be […]

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