Scientists announced this week that they have created the most advanced clock in the world.
The clock, described this week in the journal Nature, is so precise that it would neither lose nor gain one second in about 5 billion years of continuous operation. That's pretty good, considering that the Earth itself is only around 4.5 billion years old.
Latest drought monitor issued January 23, 2014. No changes for the West.
Credit National Weather Service on Twitter
2014 is shaping up to be an “average” year for the Colorado River watershed, which provides water to 7 western states. That’s not good news, however, for states like California and Nevada which are already experiencing drought conditions.
The Bitcoin revolution is steadily marching toward a merchant near you. At the first gas station in the U.S. to accept Bitcoins, Funyuns, energy drinks and a full tank of gas are a brief digital money exchange away.
Martin Luther King Jr. Memorial, Aug. 24, 2011, on the National Mall in Washington, D.C.
Credit Tom LeGro / PBS NewsHour
On Monday, January 20, 1986, people across the country celebrated the first official Dr. Martin Luther King Jr. Day, the only federal holiday commemorating an African-American. In Colorado, many will commemorate the life and legacy of the slain civil-rights leader across the Front Range.