Tuesday, January 23, 2018
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High-energy neutrinos absorbed by Earth, IceCube Observatory Experiment finds

Neutrinos have almost no mass and no charge, making them extremely difficult to detect. About 100 trillion of them pass through the human body every second, and a much larger number passes through Earth. They were thought to pass through everything in their path, but scientists have found that some very-high-energy neutrinos are blocked by Earth's dense core.