Dog Saves A Man’s Life

A homeless man suffering a medical emergency in Washington state attached a note to his dog and sent it for help. Not long after, a local resident found the dog walking along some railroad tracks, read the note, and dialed 911. The note didn’t give a location, but police had received reports of a homeless man with a dog living […]

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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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