A vast reservoir of the rare gas helium-3 may be hanging out in Earth’s metallic core. Source Share: Previous Post GMC Hummer EV Pickups On Sale For Big Money On Used Market Next Post A rumored Qualcomm flagship processor may arrive in time to kick off the summer Related Articles Space China rolls out rocket for Tianzhou 3 cargo mission ahead of Monday launch (photos) Space NASA’s Psyche spacecraft just fired a laser 10 million miles away in deep space Space Apollo 14 astronaut’s personal moon-flown Rolex watch sells for record $2.2 million Space Gravitational waves rippling from black hole merger could help test general relativity Space NASA’s Mars helicopter Ingenuity to keep flying through September (at least) Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. seven − = one