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• They reexamined the world’s largest T. rex skeleton and discovered something that forces us to rethink the true life of prehistory’s most feared predator
• He thought he had struck gold in Australia, but for years he had held something far more improbable in his hands: a fragment of the solar system that predates our planet
• Extinct for more than 150 years, 158 giant tortoises are returning to Floreana, and their return could revitalize an ecosystem that has been quietly deteriorating for generations
• Astronomers are holding their breath: one of the most massive stars in the universe has entered a strange and unstable phase, and no one knows what might happen next
• No drills, no lasers, no giant robots: the latest outlandish idea in space mining involves a box the size of a Tupperware container and microbes capable of extracting metals from a meteorite in orbit
• A comprehensive study identifies four ages at which the brain changes course, and one of them is much more surprising than expected
• NASA is testing an idea in orbit that once seemed like science fiction and has discovered that a fungus can extract valuable metals from space rocks 400 kilometers above Earth