Nature, Published online: 27 February 2026; doi:10.1038/d41586-026-00621-w
Also: I compared two of the best Android camera phones right now - there's a surprise winner
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When Chávez became Venezuela's president in 1999, oil prices were climbing. In the early 2010s, a barrel would often fetch about $100, providing the government with plenty of money to pour into social programmes. But with current prices around the $65 mark, the country looks less like a reasonable investment.