Understanding our interconnected world and COVID-19

In his pathbreaking 1971 book, Barry Commoner outlined his enduring and succinct four laws of ecology: (1) Everything is connected to everything else; (2) Everything must go somewhere; (3) Nature knows best, and (4) There ...

Global education rankings may overlook poor graduation rates

One standardized assessment tool has become the key benchmark for national governments to judge their schools' successes. But the academic rankings generated by the Program in International Student Assessment (PISA) are eclipsing ...

Why PhDs are good—for individuals, and for a country

What is the value of a Ph.D.? Is there a need in a developing world country to undertake a Ph.D. study? It's expensive (around R1 million per graduate) and in many regards a luxury for students from poor families. Even for ...

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