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A new app is making it easy to locate someone in the event of an emergency, by pinpointing a location anywhere on the planet within a 10-foot square and assigning it a unique three-word designation. Charlie D'Agata speaks to a woman who said the app's three little words may have saved her husband's life.

CBS News correspondent Mark Strassmann spoke with Jennifer Nuzzo, a senior scholar at the Johns Hopkins Center for Health Security, about areas where people don't have access to coronavirus tests, known as testing deserts.

Hundreds of outsiders are descending on the remote Nevada desert near the military's mysterious "Area 51" base. They are there for the so-called "Storm Area 51" event. What began as a joke on Facebook for people curious about the site and aliens has turned into a music, movie and space-themed entertainment festival. Decades of secrecy surrounding "Area 51" has fueled speculation that it's where the government studies aliens that have visited Earth.

Twitter prepares for Biden transition

Twitter has announced that the official account of the president of the United States (@POTUS) will be handed over to President-elect Joe Biden on January 20, along with other official accounts associated with the federal government — this as the White House continues to hold up the transition. CBS News political correspondent Ed O'Keefe reports.

Astronauts captured some of the brightest moments of space exploration with their own photos. Now, what's being called the most comprehensive private collection of NASA photographs ever presented, chronicling major moments in NASA's history — part of a collection of 2,400 original vintage photos called "Voyage To Another World — were auctioned this week by Christie's. Correspondent Imtiaz Tyab takes a look.

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