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AI-powered detectors are the best tools for spotting AI-generated fake videos. The Washington Post via Getty Images

In a battle of AI versus AI, researchers are preparing for the coming wave of deepfake propaganda

Fake videos generated with sophisticated AI tools are a looming threat. Researchers are racing to build tools that can detect them, tools that are crucial for journalists to counter disinformation.
Joe Biden faces a disinformation campaign promulgating the false notion that he is in cognitive decline. Gage Skidmore/Flickr

Faked videos shore up false beliefs about Biden’s mental health

It's easy to edit video of public figures to make them appear asleep, confused, drunk or cognitively impaired when they are not. The technique is being used to undermine Joe Biden's campaign.
Are university lectures better on YouTube? Kon Karampelas/Unsplash

Videos won’t kill the uni lecture, but they will improve student learning and their marks

In response to the coronavirus pandemic, universities are using video for so much of their teaching. Some worry this will hurt student learning, but that's not what we found.
The number of confirmed and probable deaths from COVID-19 in New York City was 23,247 as of July 10, which is more than eight times the number who died in the 9/11 attack. Angela Weiss / AFP via Getty Images

How deadly is COVID-19? A biostatistician explores the question

The COVID-19 death toll in the US is now over 130,000. What do 130,000 fatalities look like? A biostatistician provides some perspective.
Still from Back to the Future, 1985.

The great movie scenes: Back to the Future

Back to the Future is one of the most loved films from the 1980s, and galvanised audiences across every demographic. In this episode of Close-Up, Bruce Isaacs looks at the politics underpinning the film.
Johnny Depp as Grindelwald in Fantastic Beasts: The Crimes of Grindelwald. © 2018 WARNER BROS. ENTERTAINMENT INC.

Fantastic Beasts – experts explain the mysterious real life questions behind JK Rowling’s magic tales

From witching equality to what we'd see if we looked in a real Mirror of Erised, researchers explore the magic of Fantastic Beasts: The Crimes of Grindelwald.
Still from 'The Matrix', 1999

The great movie scenes: The Matrix and bullet-time

When it was released in 1999, The Matrix introduced a new type of image: bullet-time. Bruce Isaacs explains why it has become one of the most influential special effects in the history of cinema.

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