News
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Planetary ScienceDusty Clues: Study suggests no dearth of Earths
A new study suggests that many, or perhaps most, sunlike stars have planets much like Earth.
By Ron Cowen -
EarthSeafloor Chemistry: Life’s building blocks made inorganically
Hydrocarbons in fluids spewing from hydrothermal vents on the seafloor in the central Atlantic were produced by inorganic chemical reactions deep within the ocean crust, a finding with implications for the possible origins of life.
By Sid Perkins -
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Health & MedicineNew route to insulin-making cells
Researchers have found cells resembling stem cells in the mouse pancreas, suggesting new ways to treat diabetes.