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WhatsApp has launched “channels” globally, allowing people to follow celebrities and companies from within the chat app. The new feature means that people will be able to broadcast messages to all of their followers, like a private social network. It has already been joined by sporting organisations, celebrities and others, WhatsApp said. Olivia Rodrigo and Man City are part of “thousands” of channels on the app, it said. Mark Zuckerberg, chief executive of WhatsApp parent company Meta, will also be launching his own channel to support the global launch, the company said. WhatsApp will also have its own channel for updates within the app. WhatsApp’s Channels feature rolled out earlier this year, copying other apps such as Telegram. They work something like a group chat in which only one person can post: Mark Zuckerberg can send messages to everyone in his channel, for instance, but they will not be able to reply to him. Since it was first introduced, in ten countries initially, WhatsApp has added a range of changes to the system. That includes a new, better directory for finding channels, reactions on posts, edits to updates and the option to forward updates. “This is just the beginning, and we’ll continue to add more features and expand Channels based on feedback we get from users. Over the coming months, we’ll also make it possible for anyone to create a channel,” WhatsApp said in its announcement. The tool is now rolling out globally, to more than 150 countries, WhatsApp said. It should appear “over the next few weeks”, and users can sign up to a waitlist to be notified when it becomes available. Read More France bans Apple iPhone 12 sales due to ‘too high radiation’ Why Apple getting rid of lightning cable iPhone charger is a big deal Here’s the brand new Apple Watch

A mysterious new set of stars has been detected by Nasa’s James Webb Space Telescope, which could shed new light on dark matter. Dark matter remains one of the most hotly debated elements in our solar system, and the new objects could change the way it is studied. Scientists believe the huge, newly-discovered stars are powered by illusive dark matter and shared their findings in the journal PNAS. “Discovering a new type of star is pretty interesting all by itself, but discovering it’s dark matter that’s powering this – that would be huge,” said study co-author Katherine Freese from The University of Texas in Austin. Sign up to our free Indy100 weekly newsletter The dark stars, known as JADES-GS-z13-0, JADES-GS-z12-0 and JADES-GS-z11-0 – were first identified as galaxies last December. It’s thought that they existed about 320-400 million years after the Big Bang, making them some of the earliest objects ever seen. The nature of dark matter continues to fascinate and mystify the scientific community. It’s believed that it could be formed by a new type of undiscovered particle, and the theorised component of the universe does not absorb, reflect or emit light. It’s also thought that suspected dark stars like these could explain a potential anomaly surrounding the number of large galaxies in the early universe. Currently, there are too many to fit the predictions of the theories surrounding the origins and the future of the universe. “It’s more likely that something within the standard model [of cosmology] needs tuning, because proposing something entirely new, as we did, is always less probable,” Dr Freese said. “But if some of these objects that look like early galaxies are actually dark stars, the simulations of galaxy formation agree better with observations,” she explained. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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