Sandra Ericson is an author and retired educator. She chaired the Consumer Arts and Science Department at City College of San Francisco for nearly three decades. She is a contributor to the Observatory.
Intelligent airports promise greater efficiency and safer operations, but growing dependence on artificial intelligence raises a fundamental question: can airport authorities retain meaningful control over systems they may neither fully understand nor
Billions of potato-shaped metallic nodules lie scattered across the Pacific seabed between Mexico and Hawaii, as deep as 6,000 metres below the surface. The Clarion-Clipperton zone is considered a potentially major source of nickel, cobalt and manganese, with some estimates
Pope Leo has been diagnosed with lung adenocarcinoma after surgeons removed the lower lobe of his right lung, the Vatican said, marking a significant
Blackstone plans to double its investments in India to $100 billion within five years, with chief operating officer Jonathan Gray describing the country as
The Path From Survival to Citizenship Access to food, stable housing, healthcare, and socioeconomic security shapes more than daily life. Material insecurity can also limit the time, attention, and stability people need
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The United States is a nation of extraordinary wealth and extraordinary contradiction. Tens of millions of Americans live in material insecurity, while aggregate wealth continues to expand. Institutional trust remains fragile, and the
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Terrorist attacks, whether by individuals or groups, are usually followed by attempts to explain the rationale and causes behind them. The core reasons, however, lie not in surface-level factors but in the
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