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A November 2020 memorial in Washington, D.C. consisted of thousands of flags, each planted to remember someone who died of COVID-19. Andrew Lichtenstein/Corbis via Getty Images

578,555 people have died from COVID-19 in the US, or maybe it’s 912,345 – here’s why it’s hard to count

Record-keepers have a pretty good sense of how many people have died. But figuring out the cause of those deaths is a lot trickier – and that’s why reasonable modelers can disagree.
Bills have a long journey that includes going through the parliamentarian’s office in the Senate. Here, a corridor in the Senate. dkfielding/iStock/Getty Images Plus

The obscure, unelected Senate official whose rulings can help – or kill – a bill’s chance to pass

The Senate has a lot of rules, and its parliamentarian interprets what those rules allow – and what they don’t. That can mean a bill will face either huge obstacles, or very few obstacles to passage.
A student’s drawings of a scientist upon starting and after completing the Young Scientists Program. USC Young Scientists Program

Sending science majors into elementary schools helps Latino and Black students realize scientists can look like them

After completing a hands-on STEM program, students in Los Angeles were more likely to draw scientists as people of color or themselves instead of stereotypical white men in lab coats.
New York’s Metropolitan Transportation Authority was hit hard by a 79% ridership reduction during the pandemic. It needs an extra $8 billion through 2024 to avoid service cuts and layoffs. Spencer Platt/Getty Images

Pandemic-stricken mass transit would get $85 billion in Biden stimulus plan – a down payment on reviving American cities

Transit agencies could use the money to buy new subway cars, buses and maintain rails. The funding is designed to build on last year’s emergency aid, which kept transit operating through the pandemic.
Rep. Liz Cheney, Republican of Wyoming, speaks to the press at the U.S. Capitol in Washington, D.C., on May 12, 2021. Mandel Ngan/AFP via Getty Images

Representative Cheney calls for order

Rep. Liz Cheney may have been exiled from her party’s leadership, but she’s after a bigger thing: the restoration of politically conservative values in the GOP and its voters.
A permanent Moon colony could become a reality in a few decades. NASA/Dennis Davidson/WikimediaCommons

When will the first baby be born in space?

In the coming decades, governments and private companies will set up permanent bases on the Moon and Mars. And at some point, the first galactic baby will be born.
The Morpheus secure processor works like a puzzle that keeps changing before hackers have a chance to solve it. Alan de la Cruz via Unsplash

Shape-shifting computer chip thwarts an army of hackers

Most computer security focuses on software, but computer processors are vulnerable to hackers, too. An experimental secure processor changes its underlying structure before hackers can figure it out.
Biden supporters in Philadelphia celebrate when his win – with a much smaller margin than predicted by polls – was projected by news outlets on Nov. 7, 2020. Chris McGrath/Getty Images

Survey experts have yet to figure out what caused the most significant polling error in 40 years in Trump-Biden race

Stung by their failure to accurately predict the outcome of the 2020 presidential election, pollsters collectively went off to figure out what went wrong. They have yet to figure out what or why.