When the Red Planet was partly blue

Astronomers have found the strongest evidence yet that ancient Mars had a massive ocean for millions of years— an indication that the Red Planet once had everything necessary to support life. Shortly after Mars formed 4.5 billion years ago, NASA scientists say, the planet was wet, with enough water to cover the entire planet to a depth of about 450 […]

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The Side-Effects of Living Longer

Global life expectancy has risen by more than six years since 1990 as healthy life expectancy grows; ischemic heart disease, lower respiratory infections, and stroke cause the most health loss around the world.  SEATTLE — People around the world are living longer, even in some of the poorest countries, but a complex mix of fatal and nonfatal ailments cause a […]

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Finding the Higgs boson

Forty-eight years after British physicist Peter Higgs predicted its existence, the Higgs boson was finally spotted by scientists at the CERN lab in Geneva.The “God particle” explains the existence of mass and backs up the Standard Model, the foundational theory of modern physics. “For physicists, this is the equivalent of Columbus discovering America,” says physicist Themis Bowcock. The Higgs is […]

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