Today · 2026-11-01 UTC
Pick one
Today · 2026-11-01 UTC
Pick one
Fermilab: trillions of neutrinos pass through your body every second, mostly from the Sun, and almost none interact. Blink at your thumbnail and about 100 billion went through it. Detectors need huge tanks to catch even a handful.
Correct answer: Trillions, mostly from the Sun
Source →Daily reset
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