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Theory

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Wild Theory Suggests Dark Matter Could Make Stars Immortal thumbnail

Wild Theory Suggests Dark Matter Could Make Stars Immortal

Stars very close to the center of our galaxy could be fueled by dark matter in perpetuity, according to a team of astronomers who recently studied the distant light sources. The group of stars, known as S-cluster stars, is just three light-years from the center of the Milky Way (for reference, we are about 26,000
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Use the 'Pickle Jar Theory' to Prioritize Your Tasks thumbnail

Use the ‘Pickle Jar Theory’ to Prioritize Your Tasks

Your time and energy are finite. Kinda like a pickle jar. Credit: zejnirphoto/Shutterstock Some of our greatest metaphors are about pickles. Nicki Minaj made a case for asserting herself as a woman in a male-dominated field in 2010 when she declared, “Had I accepted the pickle juice, I’d be drinking pickle juice right now,” for
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Mathematical theory predicts self-organized learning in real neurons thumbnail

Mathematical theory predicts self-organized learning in real neurons

The experimental setup. Cultured neurons grew on top of electrodes. Patterns of electrical stimulation trained the neurons to reorganize so that they could distinguish two hidden sources. Waveforms at the bottom represent the spiking responses to a sensory stimulus (red line). Credit: RIKEN An international collaboration between researchers at the RIKEN Center for Brain Science
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What is a scientific theory? thumbnail

What is a scientific theory?

Home References scientific theory: a chalkboard being drawn on. (Image credit: Witthaya Prasongsin via Getty Images) A scientific theory is a structured explanation to explain a group of facts or phenomena in the natural world that often incorporates a scientific hypothesis and scientific laws. The scientific definition of a theory contrasts with the definition most…
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Black Hole Theory Finally Explains How Galaxies Form thumbnail

Black Hole Theory Finally Explains How Galaxies Form

One of the great mysteries in astronomy is how galaxies form. At issue is why stars gather into “island universes” rather than spreading out evenly through the universe. One clue comes from the observation that most galaxies contain massive black holes at their centers. That has led to the proposal that galaxies form around black…
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