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Images generated by AI systems, like these fake photos of Donald Trump being arrested (he hasn’t been arrested), can be a dangerous source of misinformation. AP Photo/J. David Ake

Watermarking ChatGPT, DALL-E and other generative AIs could help protect against fraud and misinformation

In a world of increasingly convincing AI-generated text, photos and videos, it’s more important than ever to be able to distinguish authentic media from fakes and imitations. The challenge is how.
A member of Israel’s military reserves takes part in a protest on March 16, 2023 in Bnei Brak, a city east of Tel Aviv. Photo by Eyal Warshavsky/SOPA Images/LightRocket via Getty Images

Israel’s military reservists are joining protests – potentially transforming a political crisis into a security crisis

Israel’s leader, Benjamin Netanyahu, has fired the country’s defense minister. That deepened the country’s crisis over proposed judicial reforms that even military reservists have protested.
The Coretta and Martin Luther King Jr. memorial sculpture at Boston Common is called ‘The Embrace.’ Lane Turner/The Boston Globe via Getty Images

Reaction to bronze sculpture of Coretta and Martin Luther King Jr. in Boston hasn’t been good – and that’s not bad for art that shatters conventions

A memorial to Coretta Scott and Martin Luther King Jr. has received stinging criticisms, but time will tell whether ‘The Embrace’ will endure as a cherished work of public art.
Magnetic levitation is just one of the interesting attributes that make superconductors so interesting. Mark Garlick/Science Photo Library vie Getty Images

How do superconductors work? A physicist explains what it means to have resistance-free electricity

Superconductors are materials that can transmit electricity without any resistance. Researchers are getting closer to creating superconducting materials that can function in everyday life.
Within the next year or two, people will set foot on the surface of the Moon for the first time in 50 years. NASA

Back to the Moon: A space lawyer and planetary scientist on what it will take to share the benefits of new lunar exploration – podcast

A US-led coalition and China are both planning to establish bases on the Moon. How the two nations will navigate actions on the Moon and how other countries will be involved is still unclear.
Fed chair Jerome Powell opted for a cautious approach on rates. Alex Wong/Getty Images

Federal Reserve bows to bank-crisis fears with quarter-point rate hike, letting up a little in its fight against inflation

The Fed raised rates by a quarter-point – less aggressive than had been expected before the current banking crisis, but signaling inflation is still its focus.