Venus’ heat-trapping atmosphere – 97% carbon dioxide – and 900-degree average surface temperature present both a challenge and an opportunity for learning about Earth’s formation. Source

On a special edition of The Dish, food with ancient origins help women lead modern lives. Michelle Miller goes to the nation of Jordan in the Middle East, where cooking school owner Maria Haddad Hanania is keeping her grandmother’s favorite recipes alive. Source

The last in a series of spacewalks should put a $2 billion scientific instrument back in business. Source

House impeachment managers gave three days of opening arguments earlier this week. Source

Cellphone companies are racing to bring us 5G — the next generation of cell-phone service that promises super-fast data speeds. But as service spreads out, thousands of people will need to head up to install new gear atop cellphone towers. This has created a big demand, and Kenneth Craig got a look at what it takes to fill the job. Source

Scientists say Venus may hold important insights into some of humanity’s biggest challenges today. As NASA gears up for its Mars 2020 mission, CBS News’ Jeff Glor spoke to some who are looking to Earth’s mysterious neighbor. Source

For the four Democratic Senators running for president, the spring back to the campaign trail will happen the second the impeachment trial gavels out today. They head to Iowa with just nine days left until the state’s caucus. Ed O’Keefe shares how Senators Warren, Sanders, Klobuchar, and Bennet are juggling their day jobs with their ambitions. Source

A fire blazed in New York City’s Chinatown on Thursday, on the eve of Lunar New Year. The fire burned through a historic building and may have destroyed as many as 85,000 artifacts. Source

The Thursday night blaze damaged or destroyed priceless objects just as the city was readying celebrations for Lunar New Year. Source

Rescue workers were searching for people buried under rubble. Source