News
- Plants
Traveling tubers
Potato varieties from Chile arrived in Europe several years before the blights of the mid-1800s, a new analysis of DNA from old plant collections reveals.
- Planetary Science
Dusty Clues: Study suggests no dearth of Earths
A new study suggests that many, or perhaps most, sunlike stars have planets much like Earth.
- Earth
Seafloor 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.
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