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Three DACA recipients hold pictures of themselves as children newly arrived in the United States at a congressional meeting, Sept. 6, 2017. Jose Luis Magan/AP Photo

DACA in doubt after court ruling: 3 questions answered

The Supreme Court ruled in 2020 that DACA, a policy that shields undocumented young immigrants from deportation, could continue. Now a Texas court says it can't. An immigration lawyer explains.
Political leanings and community features predicted support of COVID-19 mitigation measures. wildpixel/iStock via Getty Images Plus

Our analysis of 7 months of polling data shows friendships, the economy and firsthand experience shaped and reshaped views on COVID-19 risks

Multiple factors determined whether or not individual Americans adopted COVID-19 safety measures, according to statistical analysis of public opinion data.
It should be obvious to this diver that this is a shipwreck and not a reef, but what about to someone looking at a image of this spot taken from an aircraft? LookBermuda/Flickr

AI spots shipwrecks from the ocean surface – and even from the air

It's difficult to tell a shipwreck from a natural feature on the ocean floor in a scan taken from a plane or ship. This project used deep learning to get it right 92% of the time.
As coronavirus cases surge, unvaccinated people are accounting for nearly all hospitalizations and deaths. Fat Camera/E+ via Getty Images

US is split between the vaccinated and unvaccinated – and deaths and hospitalizations reflect this divide

The US has split into "two Americas," one of the unvaccinated and one of the vaccinated. The differences in deaths and hospitalizations between the two populations are striking.
Republican politicians have championed legislation to limit the teaching of material exploring how race and racism influence American politics, culture and law. AP Photo/Mary Altaffer, File

Lawsuits over bans on teaching critical race theory are coming – here’s what won’t work, and what might

New state laws in the US banning teaching about systemic racism raise the question: Does the Constitution protect public school teachers' right to choose how and what to teach?
In early 2021, some Taliban fighters surrendered their weapons to support peace talks with the Afghan government. Today the Islamic extremist group is battling government forces to control the country. Xinhua/Emran Waak via Getty Images

Afghanistan after the US withdrawal: The Taliban speak more moderately but their extremist rule hasn’t evolved in 20 years

Two decades have passed since the US invasion of Afghanistan toppled the Taliban's Islamic extremist regime. Despite efforts to update its image, the group still holds hard-line views.
A voter exits a polling location on Election Day, Nov. 3, 2020 in Fort Worth, Texas. Tom Pennington/Getty Images

Election polls in 2020 produced ‘error of unusual magnitude,’ expert panel finds, without pinpointing cause

A task force of polling experts found surveys notably understated support for Donald Trump, both nationally and at the state level. Here's what may have gone wrong, according to a polling historian.
A single brilliant insight is only part of the story of how diabetes became a manageable disease. Douglas Grundy/Three Lions via Getty Images

Insulin was discovered 100 years ago – but it took a lot more than one scientific breakthrough to get a diabetes treatment to patients

A biomedical engineer explains the basic research that led to the discovery of insulin and its transformation into a lifesaving treatment for millions of people with diabetes.

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