Most sharks are cold-blooded, meaning that their body temperature is close to that of the water they swim in. However, great white sharks are partially warm-blooded. This allows them to move faster when they are hunting prey.

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What cybersecurity leaders are reading to stay ahead

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If you’re looking for holiday gift ideas, books remain one of the simplest ways to spark curiosity and support someone’s growth. Whether the person on your list is exploring cybersecurity, AI, engineering, or career development, these titles offer something useful for readers at every stage of their professional journey. Inside Cyber Warfare, 3rd Edition Author: Jeffrey Caruso Inside Cyber Warfare, 3rd Edition by Jeffrey Caruso explores how nation-states, corporations, and hackers engage in digital warfare. … More → The post What cybersecurity leaders are reading to stay ahead appeared first on Help Net Security. http://dlvr.it/TPtMKY
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Perseverance rover cleared for long distance Mars exploration

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Los Angeles CA (SPX) Dec 18, 2025 After nearly five years operating inside Mars Jezero Crater, NASA's Perseverance rover has logged almost 25 miles (40 kilometers) of driving while engineers certify that its mobility hardware and other subsystems can keep working for many more years. Built and operated by NASA's Jet Propulsion Laboratory in Southern California, Perseverance is following up the long-running Curiosity rover http://dlvr.it/TPtHcl
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AI breaks the old security playbook

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AI has moved into enterprise operations faster than many security programs expected. It is embedded in workflows, physical systems, and core infrastructure. Some AI tools reach hundreds of millions of users each week. Inference costs have fallen 280 fold, but overall spending is still rising because usage keeps growing. Attackers are using the same tools. CISOs manage a broader attack surface driven by automation, new data paths, and machine led decisions. Deloitte’s Tech Trends 2026 … More → The post AI breaks the old security playbook appeared first on Help Net Security. http://dlvr.it/TPsFpr
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