Light isotopes of hydrogen and helium formed minutes after the Big Bang. The study of one of these primordial isotopes, helium-3, has now been proposed as a useful strategy for constraining the ...
University of Tokyo researchers discovered an increase in a helium isotope during a ten-year period before the 2014 Mount Ontake eruption in central Japan. The finding suggests that this helium ...
Under pressure Illustration of how helium atoms (pink spheres) are incorporated within a face-centred cubic iron lattice (blue spheres). (Courtesy: University of Tokyo) Helium deep with the Earth ...
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