Science Newly Discovered Flux in the Earth May Solve Missing-mantle Mystery by Gary Kopycinski on July 17, 2013 Gary Kopycinski Author More in Science: Wilmington Man’s Photo of Rare Snowy Egret Wins Forest Preserve Photo Contest June 8, 2026 Cook County Announces Free 2026 Vets and Pets Rabies Vaccine and Microchip Clinics May 30, 2026 On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Research points to large reservoirs of material deep in the mantle that may help to explain Earth’s origins