科学与环境

Einstein's equations may explain the universe without dark energy

来源: All Top News -- ScienceDaily · 发布于

Einstein's equations may explain the universe without dark energy
来源: All Top News -- ScienceDaily

Mathematicians have uncovered what they argue is a fundamental flaw in the standard model of the universe, potentially challenging the need for dark energy. Their calculations suggest that the mathematical framework used to describe cosmic expansion is inherently unstable and tha

Mathematicians have uncovered what they argue is a fundamental flaw in the standard model of the universe, potentially challenging the need for dark energy. Their calculations suggest that the mathematical framework used to describe cosmic expansion is inherently unstable and that the universe could accelerate naturally under Einstein's original theory of gravity. The findings also raise surprising questions about whether our location in the universe is as ordinary as scientists have long assumed.

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Smaller ants devote more of their resting energy budget to their brains
科学与环境

Smaller ants devote more of their resting energy budget to their brains

The energy required for brains of different sizes to function could play a role in how different species evolved over time. While the energetic costs of brains have long been deemed important in evolution, direct measurements of the rate at which the brains of different species c

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