Martian ice sheets offer window into subsurface history
Eight Mid latitude scarps on Mars reveal thick ice just beneath the surface. Researchers say the bluish ice layers are almost pure, formed by snowfall over thousands of years and exposed by sublimation. Subsurface cliffs could aid future robots and human explorers seeking water and climate records.
MENTIONED IN THIS ARTICLE
London
Big Ben Tower
Mars
Red Planet
Colin Dundas
U.S. Geological Survey
Astrogeology Science Center
Arizona
Science
Mars Reconnaissance Orbiter
Dundas
Susan Conway
University of Nantes
France
Open University
Matt Balme
Britain
Balme
Earth
Greenland
Antarctic
Conway
Antarctica
Iowa weighs Medicaid work rules amidst budget and reform moves
Iowa officials discuss potential federal guidance on work requirements for Medicaid nondisabled adults amid a reshaping of the program. DHS spokesman Matt Highland cited ongoing Medicaid transitions and the search for another managed care organization while Gov. Reynolds weighs the idea. The Trump admin seeks flexibility for states to require work, with critics warning about added paperwork and coverage loss. Kaiser data show most working age Medicaid enrollees are already employed or exempt. Michaela Ramm contributed.
MENTIONED IN THIS ARTICLE
State Department of Human Services
Human Services
Matt Highland
Highland
GOP
Kim Reynolds
Brenna Smith
Iowa
Arizona
Arkansas
Indiana
Kansas
Kentucky
Maine
New Hampshire
North Carolina
Utah
Wisconsin
Verma
Kaiser Family Foundation
Also Mentioned on This Page
Livi
NASA
Iowa Department of Human Services
Seema Verma
U.S. Department of Health and Human Services
Michaela Ramm
the Gazette
Bloomberg News
Centers For Medicare and Medicaid Services
Senate Finance Committee
Washington, D.C