The discovery suggests that watery conditions beneath the icy southern polar cap may have provided one of the critical building blocks for life on the red planet.
At Gorongosa National Park, scarred by civil war, scientists are answering fundamental questions about ecology and evolution, and how wildlife recovers from devastation.
More than a thousand variations in DNA were involved in how long people stayed in school, but the effect of each gene was weak, and the data did not predict educational attainment for individuals.
Engineers want to turn the dam into a vast reservoir of excess electricity from the solar farms and wind turbines that represent the power sources of the future.
By IVAN PENN, MIKA GRÖNDAHL, David Walter Banks, JOSH HANER and JOSH WILLIAMS
The ubiquitous plant alters its defense systems in a tougher environment, prompting researchers to call it a perfect test species for study as urban areas expand.
A new medical scanner, derived from technology used by particle physics researchers at CERN, “is like the upgrade from black-and-white film to color,” one of its developers said.
