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With deepfake audio, that familiar voice on the other end of the line might not even be human let alone the person you think it is. Knk Phl Prasan Kha Phibuly/EyeEm via Getty Images

Deepfake audio has a tell – researchers use fluid dynamics to spot artificial imposter voices

AI-generated voice-alikes can be indistinguishable from the real person’s speech to the human ear. A computer model that gives voice to the dinosaurs turns out to be a good way to tell the difference.
Book-banning campaigns often misrepresent how young readers consume and process literature. Michael Loccisano/Getty Images

Book bans reflect outdated beliefs about how children read

The US is seeing more campaigns to ‘protect’ children by barring controversial books. But research shows children’s reading experiences are complex and unpredictable, explains a literature professor.
An undocumented immigrant from Venezuela kisses the forehead of another immigrant on the island of Martha’s Vineyard in Massachusetts. Dominic Chavez for The Washington Post via Getty Images

Ron DeSantis and Greg Abbott pull from segregationists’ playbook with their anti-immigration stunts

In the civil rights era, ‘Reverse Freedom Rides’ were more than just a political stunt. They were part of a systematic effort to deprive Black Americans of their livelihoods and force them out.
Stalagmites grow from the cave floor up as water drips down. Gayatri Kathayat

1,000-year-old stalagmites from a cave in India show the monsoon isn’t so reliable – their rings reveal a history of long, deadly droughts

As water dripped in a remote cave, it left behind evidence of every monsoon season for a millennium. Scientists say it holds a warning for a country about to become the most populous on Earth.
A sign at a July 2022 abortion-rights protest in Santa Monica, California, recalls the country’s long history of trying to restrict access to reproductive health care. David McNew/Getty Images

Proposed federal abortion ban evokes 19th-century Comstock Act – a law so unpopular it triggered the centurylong backlash that led to Roe

US history suggests that Republican efforts to restrict reproductive rights will be difficult to enforce and widely reviled, undermining their effectiveness – and ultimately causing their demise.
Astronomers think the most likely place to find life in the galaxy is on super-Earths, like Kepler-69c, seen in this artist’s rendering. NASA Ames/JPL-CalTech

Super-Earths are bigger, more common and more habitable than Earth itself – and astronomers are discovering more of the billions they think are out there

Newly discovered super-Earths add to the list of planets around other stars that offer the best chance of finding life. An astronomer explains what makes these super-Earths such excellent candidates.
In her efforts to build a new relationship with the Catholic Church, Queen Elizabeth II had interactions with several pontiffs. She is seen here with Pope John Paul II. AP Photo/Alessandro Bianchi, Pool, File

Queen Elizabeth II ascended to the throne at a time of deep religious divisions and worked to bring tolerance

Queen Elizabeth II encouraged tolerance in a multifaith United Kingdom. To appreciate the significance of her efforts, it is important to understand the country’s complicated religious history.
The gut microbiome may also play a role in personalized medicine. nopparit/iStock via Getty Images Plus

Humans evolved with their microbiomes – like genes, your gut microbes pass from one generation to the next

As early modern humans spread across the globe, their gut microbes genetically changed with them. Understanding the origins of gut microbes could improve understanding of their role in human health.