Hydrogen in the Earth core inferred from neutron imaging and diffraction. - Takahashi, Naoki; Sakamaki, Tatsuya; Hattori, Takanori; Funakoshi, Ken-ichi; Arima-Osonoi, Hiroshi; Sano-Furukawa, Asami; Abe, Jun; Suzuki, Akio (Scientific Reports, 2026)