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Expert Untangles VPNs as Brazil’s Twitter Ban Sparks New Interest

Last week, the government of Brazil banned X, formerly Twitter, cutting off millions of users from the Elon Musk-owned social network. It is one of the more high-profile examples of restrictions placed on platforms, and disputes around the world span a multitude of reasons: free speech (at least in the U.S.), political dissent, copyright, and illegal activity. While alternate social media platforms like Bluesky saw a surge in new users from Brazil after the ban, some still insistent on using X h...

Expert Untangles VPNs as Brazil’s Twitter Ban Sparks New Interest

Last week, the government of Brazil banned X, formerly Twitter, cutting off millions of users from the Elon Musk-owned social network. It is one of the more high-profile examples of restrictions placed on platforms, and disputes around the world span a multitude of reasons: free speech (at least in the U.S.), political dissent, copyright, and illegal activity. While alternate social media platforms like Bluesky saw a surge in new users from Brazil after the ban, some still insistent on using X h...

Common Food Dye Makes Mouse Skin Transparent, Researchers Find

Scientists have stumbled upon a somewhat bizarre discovery: a common food coloring used in snacks can temporarily turn mouse skin transparent. The dye—known as FD&C Yellow 5 or tartrazine—allows researchers to peek inside living rodents without cutting them open. The non-invasive technique, if it can be adapted, could improve human health care. “We found that an aqueous solution of a common food color approved by the U.S. Food and Drug Administration, tartrazine, has the effect of reversibly mak...