Science

The ocean’s first super-predators may have been giant octopuses

Scientists discovered fossils showing ancient octopuses were enormous, intelligent apex predators with powerful bites. The finding reshapes ideas about prehistoric oceans and reveals that octopuses evolved complex behaviour far earlier than expected.

The secret signals rocks send before catastrophic collapse

Scientists have discovered that stressed rocks emit subtle chemical signals before breaking, and developed a model to track these changes—offering a potential new way to warn of earthquakes, landslides and other hazards.

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